2798804864 has 32 divisors (see below), whose sum is σ = 5818173840. Its totient is φ = 1338557440.

The previous prime is 2798804863. The next prime is 2798804873. The reversal of 2798804864 is 4684088972.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798804863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472397 + ... + 478284.

Almost surely, 2^2798804864 is an apocalyptic number.

It is an amenable number.

2798804864 is an abundant number, since it is smaller than the sum of its proper divisors (3019368976).

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

2798804864 is an equidigital number, since it uses as much as digits as its factorization.

2798804864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950718 (or 950706 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 56.

The square root of 2798804864 is about 52903.7320422671. The cubic root of 2798804864 is about 1409.2591826264.

The spelling of 2798804864 in words is "two billion, seven hundred ninety-eight million, eight hundred four thousand, eight hundred sixty-four".