2798798562 has 96 divisors (see below), whose sum is σ = 7549718400. Its totient is φ = 764872416.

The previous prime is 2798798557. The next prime is 2798798581. The reversal of 2798798562 is 2658978972.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2798798562.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37864 + ... + 83852.

It is an arithmetic number, because the mean of its divisors is an integer number (78642900).

Almost surely, 2^2798798562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2798798562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3774859200).

2798798562 is an abundant number, since it is smaller than the sum of its proper divisors (4750919838).

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

2798798562 is a wasteful number, since it uses less digits than its factorization.

2798798562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46037 (or 46024 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The square root of 2798798562 is about 52903.6724812182. The cubic root of 2798798562 is about 1409.2581248942.

The spelling of 2798798562 in words is "two billion, seven hundred ninety-eight million, seven hundred ninety-eight thousand, five hundred sixty-two".