25688653076 has 12 divisors (see below), whose sum is σ = 45052241472. Its totient is φ = 12816584088.

The previous prime is 25688653021. The next prime is 25688653117. The reversal of 25688653076 is 67035688652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6933530 + ... + 6937233.

It is an arithmetic number, because the mean of its divisors is an integer number (3754353456).

Almost surely, 2^25688653076 is an apocalyptic number.

It is an amenable number.

25688653076 is a deficient number, since it is larger than the sum of its proper divisors (19363588396).

25688653076 is a wasteful number, since it uses less digits than its factorization.

25688653076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13871230 (or 13871228 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 25688653076 in words is "twenty-five billion, six hundred eighty-eight million, six hundred fifty-three thousand, seventy-six".