86761035531 has 6 divisors (see below), whose sum is σ = 125321495780. Its totient is φ = 57840690348.

The previous prime is 86761035481. The next prime is 86761035539. The reversal of 86761035531 is 13553016768.

86761035531 is a `hidden beast` number, since 8 + 6 + 7 + 6 + 103 + 5 + 531 = 666.

It is not a de Polignac number, because 86761035531 - 2⁶ = 86761035467 is a prime.

It is a super-2 number, since 2×86761035531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86761035539) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4820057521 + ... + 4820057538.

Almost surely, 2^86761035531 is an apocalyptic number.

86761035531 is a deficient number, since it is larger than the sum of its proper divisors (38560460249).

86761035531 is a wasteful number, since it uses less digits than its factorization.

86761035531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9640115065 (or 9640115062 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 86761035531 in words is "eighty-six billion, seven hundred sixty-one million, thirty-five thousand, five hundred thirty-one".