8957625431 has 16 divisors (see below), whose sum is σ = 9565817184. Its totient is φ = 8358764544.

The previous prime is 8957625427. The next prime is 8957625433. The reversal of 8957625431 is 1345267598.

It is a happy number.

It is not a de Polignac number, because 8957625431 - 2² = 8957625427 is a prime.

It is a super-2 number, since 2×8957625431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8957625431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8957625433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002821 + ... + 1011713.

It is an arithmetic number, because the mean of its divisors is an integer number (597863574).

Almost surely, 2^8957625431 is an apocalyptic number.

8957625431 is a deficient number, since it is larger than the sum of its proper divisors (608191753).

8957625431 is a wasteful number, since it uses less digits than its factorization.

8957625431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9410.

The product of its digits is 1814400, while the sum is 50.

The square root of 8957625431 is about 94644.7327166177. The cubic root of 8957625431 is about 2076.8141433460.

The spelling of 8957625431 in words is "eight billion, nine hundred fifty-seven million, six hundred twenty-five thousand, four hundred thirty-one".