25677986204 has 24 divisors (see below), whose sum is σ = 49422773568. Its totient is φ = 11599220160.

The previous prime is 25677986149. The next prime is 25677986219. The reversal of 25677986204 is 40268977652.

It is a self number, because there is not a number n which added to its sum of digits gives 25677986204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5250827 + ... + 5255714.

It is an arithmetic number, because the mean of its divisors is an integer number (2059282232).

Almost surely, 2^25677986204 is an apocalyptic number.

It is an amenable number.

25677986204 is a deficient number, since it is larger than the sum of its proper divisors (23744787364).

25677986204 is a wasteful number, since it uses less digits than its factorization.

25677986204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10506605 (or 10506603 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 25677986204 in words is "twenty-five billion, six hundred seventy-seven million, nine hundred eighty-six thousand, two hundred four".