86897362931 has 2 divisors, whose sum is σ = 86897362932. Its totient is φ = 86897362930.

The previous prime is 86897362927. The next prime is 86897362973. The reversal of 86897362931 is 13926379868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86897362931 - 2² = 86897362927 is a prime.

It is a super-2 number, since 2×86897362931² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86897362631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43448681465 + 43448681466.

It is an arithmetic number, because the mean of its divisors is an integer number (43448681466).

Almost surely, 2^86897362931 is an apocalyptic number.

86897362931 is a deficient number, since it is larger than the sum of its proper divisors (1).

86897362931 is an equidigital number, since it uses as much as digits as its factorization.

86897362931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23514624, while the sum is 62.

The spelling of 86897362931 in words is "eighty-six billion, eight hundred ninety-seven million, three hundred sixty-two thousand, nine hundred thirty-one".