86794332579 has 24 divisors (see below), whose sum is σ = 125577326160. Its totient is φ = 57767104512.

The previous prime is 86794332553. The next prime is 86794332587. The reversal of 86794332579 is 97523349768.

86794332579 is a `hidden beast` number, since 86 + 79 + 433 + 2 + 57 + 9 = 666.

It is not a de Polignac number, because 86794332579 - 2²⁰ = 86793284003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86794332509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17380707 + ... + 17385699.

It is an arithmetic number, because the mean of its divisors is an integer number (5232388590).

Almost surely, 2^86794332579 is an apocalyptic number.

86794332579 is a deficient number, since it is larger than the sum of its proper divisors (38782993581).

86794332579 is a wasteful number, since it uses less digits than its factorization.

86794332579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7811 (or 7808 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 63.

The spelling of 86794332579 in words is "eighty-six billion, seven hundred ninety-four million, three hundred thirty-two thousand, five hundred seventy-nine".