25572174870 has 64 divisors (see below), whose sum is σ = 69863606784. Its totient is φ = 5929777920.

The previous prime is 25572174853. The next prime is 25572174871. The reversal of 25572174870 is 7847127552.

It is a super-2 number, since 2×25572174870² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25572174871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1677007 + ... + 1692186.

It is an arithmetic number, because the mean of its divisors is an integer number (1091618856).

Almost surely, 2^25572174870 is an apocalyptic number.

25572174870 is an abundant number, since it is smaller than the sum of its proper divisors (44291431914).

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

25572174870 is a wasteful number, since it uses less digits than its factorization.

25572174870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369237.

The product of its (nonzero) digits is 1097600, while the sum is 48.

The spelling of 25572174870 in words is "twenty-five billion, five hundred seventy-two million, one hundred seventy-four thousand, eight hundred seventy".