86979896 has 32 divisors (see below), whose sum is σ = 168122640. Its totient is φ = 42156288.

The previous prime is 86979881. The next prime is 86979911. The reversal of 86979896 is 69897968.

It is an interprime number because it is at equal distance from previous prime (86979881) and next prime (86979911).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134951 + ... + 135593.

Almost surely, 2^86979896 is an apocalyptic number.

It is an amenable number.

86979896 is a deficient number, since it is larger than the sum of its proper divisors (81142744).

86979896 is a wasteful number, since it uses less digits than its factorization.

86979896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1139 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 62.

The square root of 86979896 is about 9326.3013033035. The cubic root of 86979896 is about 443.0706285893.

The spelling of 86979896 in words is "eighty-six million, nine hundred seventy-nine thousand, eight hundred ninety-six".