86940079499 has 32 divisors (see below), whose sum is σ = 108075416064. Its totient is φ = 68100963840.

The previous prime is 86940079493. The next prime is 86940079507. The reversal of 86940079499 is 99497004968.

It is not a de Polignac number, because 86940079499 - 2³² = 82645112203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86940079493) 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, 5153372 + ... + 5170214.

It is an arithmetic number, because the mean of its divisors is an integer number (3377356752).

Almost surely, 2^86940079499 is an apocalyptic number.

86940079499 is a deficient number, since it is larger than the sum of its proper divisors (21135336565).

86940079499 is a wasteful number, since it uses less digits than its factorization.

86940079499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17427.

The product of its (nonzero) digits is 35271936, while the sum is 65.

The spelling of 86940079499 in words is "eighty-six billion, nine hundred forty million, seventy-nine thousand, four hundred ninety-nine".