25297089527970 has 96 divisors (see below), whose sum is σ = 74559842884800. Its totient is φ = 5899240305792.

The previous prime is 25297089527921. The next prime is 25297089528013. The reversal of 25297089527970 is 7972598079252.

25297089527970 is a `hidden beast` number, since 2 + 5 + 2 + 9 + 7 + 0 + 8 + 9 + 527 + 97 + 0 = 666.

It is a super-2 number, since 2×25297089527970² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 568963140 + ... + 569007599.

It is an arithmetic number, because the mean of its divisors is an integer number (776665030050).

Almost surely, 2^{25297089527970} is an apocalyptic number.

25297089527970 is an abundant number, since it is smaller than the sum of its proper divisors (49262753356830).

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

25297089527970 is a wasteful number, since it uses less digits than its factorization.

25297089527970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137970784 (or 1137970781 counting only the distinct ones).

The product of its (nonzero) digits is 400075200, while the sum is 72.

The spelling of 25297089527970 in words is "twenty-five trillion, two hundred ninety-seven billion, eighty-nine million, five hundred twenty-seven thousand, nine hundred seventy".