86336667531 has 32 divisors (see below), whose sum is σ = 133092357120. Its totient is φ = 55270212192.

The previous prime is 86336667523. The next prime is 86336667533. The reversal of 86336667531 is 13576663368.

It is a happy number.

It is not a de Polignac number, because 86336667531 - 2³ = 86336667523 is a prime.

It is a super-2 number, since 2×86336667531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86336667533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 574585 + ... + 709098.

It is an arithmetic number, because the mean of its divisors is an integer number (4159136160).

Almost surely, 2^86336667531 is an apocalyptic number.

86336667531 is a deficient number, since it is larger than the sum of its proper divisors (46755689589).

86336667531 is a wasteful number, since it uses less digits than its factorization.

86336667531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283792 (or 1283786 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The spelling of 86336667531 in words is "eighty-six billion, three hundred thirty-six million, six hundred sixty-seven thousand, five hundred thirty-one".