25356794088 has 32 divisors (see below), whose sum is σ = 63984440160. Its totient is φ = 8373270720.

The previous prime is 25356794077. The next prime is 25356794137. The reversal of 25356794088 is 88049765352.

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, 4934503 + ... + 4939638.

It is an arithmetic number, because the mean of its divisors is an integer number (1999513755).

Almost surely, 2^25356794088 is an apocalyptic number.

It is an amenable number.

25356794088 is an abundant number, since it is smaller than the sum of its proper divisors (38627646072).

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

25356794088 is a wasteful number, since it uses less digits than its factorization.

25356794088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9874257 (or 9874253 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 25356794088 in words is "twenty-five billion, three hundred fifty-six million, seven hundred ninety-four thousand, eighty-eight".