86968679 has 8 divisors (see below), whose sum is σ = 101421600. Its totient is φ = 74544288.

The previous prime is 86968669. The next prime is 86968697. The reversal of 86968679 is 97686968.

It is not a de Polignac number, because 86968679 - 2⁴ = 86968663 is a prime.

It is a super-2 number, since 2×86968679² = 15127102254010082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86968619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126434 + ... + 127119.

It is an arithmetic number, because the mean of its divisors is an integer number (12677700).

Almost surely, 2^86968679 is an apocalyptic number.

86968679 is a deficient number, since it is larger than the sum of its proper divisors (14452921).

86968679 is an equidigital number, since it uses as much as digits as its factorization.

86968679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253574 (or 253560 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 59.

The square root of 86968679 is about 9325.6999201132. The cubic root of 86968679 is about 443.0515815178.

The spelling of 86968679 in words is "eighty-six million, nine hundred sixty-eight thousand, six hundred seventy-nine".