86932510191 has 12 divisors (see below), whose sum is σ = 125997748968. Its totient is φ = 57757206384.

The previous prime is 86932510177. The next prime is 86932510193. The reversal of 86932510191 is 19101523968.

It is not a de Polignac number, because 86932510191 - 2¹⁷ = 86932379119 is a prime.

It is a super-2 number, since 2×86932510191² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86932510193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16480585 + ... + 16485858.

It is an arithmetic number, because the mean of its divisors is an integer number (10499812414).

Almost surely, 2^86932510191 is an apocalyptic number.

86932510191 is a deficient number, since it is larger than the sum of its proper divisors (39065238777).

86932510191 is a wasteful number, since it uses less digits than its factorization.

86932510191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32966742 (or 32966739 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The spelling of 86932510191 in words is "eighty-six billion, nine hundred thirty-two million, five hundred ten thousand, one hundred ninety-one".