25700927984 has 20 divisors (see below), whose sum is σ = 51512636760. Its totient is φ = 12407344320.

The previous prime is 25700927963. The next prime is 25700928031. The reversal of 25700927984 is 48972900752.

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, 27694502 + ... + 27695429.

It is an arithmetic number, because the mean of its divisors is an integer number (2575631838).

Almost surely, 2^25700927984 is an apocalyptic number.

It is an amenable number.

25700927984 is an abundant number, since it is smaller than the sum of its proper divisors (25811708776).

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

25700927984 is a wasteful number, since it uses less digits than its factorization.

25700927984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55389968 (or 55389962 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 25700927984 in words is "twenty-five billion, seven hundred million, nine hundred twenty-seven thousand, nine hundred eighty-four".