47885957431 has 16 divisors (see below), whose sum is σ = 55546099840. Its totient is φ = 40902109920.

The previous prime is 47885957411. The next prime is 47885957447. The reversal of 47885957431 is 13475958874.

It is a cyclic number.

It is not a de Polignac number, because 47885957431 - 2²⁷ = 47751739703 is a prime.

It is a super-2 number, since 2×47885957431² (a number of 22 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 47885957431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47885957411) 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, 2243685 + ... + 2264926.

It is an arithmetic number, because the mean of its divisors is an integer number (3471631240).

Almost surely, 2^47885957431 is an apocalyptic number.

47885957431 is a deficient number, since it is larger than the sum of its proper divisors (7660142409).

47885957431 is a wasteful number, since it uses less digits than its factorization.

47885957431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508686.

The product of its digits is 33868800, while the sum is 61.

The spelling of 47885957431 in words is "forty-seven billion, eight hundred eighty-five million, nine hundred fifty-seven thousand, four hundred thirty-one".