2798299728 has 60 divisors (see below), whose sum is σ = 8950120608. Its totient is φ = 799513920.

The previous prime is 2798299709. The next prime is 2798299753. The reversal of 2798299728 is 8279928972.

2798299728 is a `hidden beast` number, since 279 + 8 + 299 + 72 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1387038 + ... + 1389053.

Almost surely, 2^2798299728 is an apocalyptic number.

2798299728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2798299728 is an abundant number, since it is smaller than the sum of its proper divisors (6151820880).

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

2798299728 is a wasteful number, since it uses less digits than its factorization.

2798299728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776112 (or 2776103 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 63.

The square root of 2798299728 is about 52898.9577213011. The cubic root of 2798299728 is about 1409.1743952008.

The spelling of 2798299728 in words is "two billion, seven hundred ninety-eight million, two hundred ninety-nine thousand, seven hundred twenty-eight".