25913366976 has 84 divisors (see below), whose sum is σ = 79756348488. Its totient is φ = 7403816448.

The previous prime is 25913366971. The next prime is 25913366987. The reversal of 25913366976 is 67966331952.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (84).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25913366971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1367791 + ... + 1386606.

Almost surely, 2^25913366976 is an apocalyptic number.

It is an amenable number.

25913366976 is an abundant number, since it is smaller than the sum of its proper divisors (53842981512).

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

25913366976 is a wasteful number, since it uses less digits than its factorization.

25913366976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754426 (or 2754409 counting only the distinct ones).

The product of its digits is 11022480, while the sum is 57.

The spelling of 25913366976 in words is "twenty-five billion, nine hundred thirteen million, three hundred sixty-six thousand, nine hundred seventy-six".