86307109651881 has 24 divisors (see below), whose sum is σ = 128688046263296. Its totient is φ = 55681684744320.

The previous prime is 86307109651877. The next prime is 86307109651909. The reversal of 86307109651881 is 18815690170368.

86307109651881 is a `hidden beast` number, since 8 + 6 + 3 + 0 + 7 + 109 + 6 + 518 + 8 + 1 = 666.

It is not a de Polignac number, because 86307109651881 - 2² = 86307109651877 is a prime.

It is a super-2 number, since 2×86307109651881² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (86307109651801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53428656 + ... + 55020318.

Almost surely, 2^{86307109651881} is an apocalyptic number.

It is an amenable number.

86307109651881 is a deficient number, since it is larger than the sum of its proper divisors (42380936611415).

86307109651881 is a wasteful number, since it uses less digits than its factorization.

86307109651881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786053 (or 1786050 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 63.

The spelling of 86307109651881 in words is "eighty-six trillion, three hundred seven billion, one hundred nine million, six hundred fifty-one thousand, eight hundred eighty-one".