2798299987344 has 165 divisors, whose sum is σ = 8137241633569. Its totient is φ = 932224671360.

The previous prime is 2798299987331. The next prime is 2798299987363. The reversal of 2798299987344 is 4437899928972.

The square root of 2798299987344 is 1672812.

It is a perfect power (a square), and thus also a powerful number.

2798299987344 is a `hidden beast` number, since 2 + 7 + 98 + 29 + 99 + 87 + 344 = 666.

2798299987344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2066659257744 + 731640729600 = 1437588^2 + 855360^2 .

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 32 ways as a sum of consecutive naturals, for example, 1625972404 + ... + 1625974124.

Almost surely, 2^{2798299987344} is an apocalyptic number.

2798299987344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

2798299987344 is the 1672812-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2798299987344

2798299987344 is an abundant number, since it is smaller than the sum of its proper divisors (5338941646225).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2798299987344 is an frugal number, since it uses more digits than its factorization.

2798299987344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480 (or 1726 counting only the distinct ones).

The product of its digits is 3950456832, while the sum is 81.

Multiplying 2798299987344 by its sum of digits (81), we get a square (226662298974864 = 15055308²).

2798299987344 divided by its sum of digits (81) gives a square (34546913424 = 185868²).

The spelling of 2798299987344 in words is "two trillion, seven hundred ninety-eight billion, two hundred ninety-nine million, nine hundred eighty-seven thousand, three hundred forty-four".