86976897 has 16 divisors (see below), whose sum is σ = 132667392. Its totient is φ = 49651920.

The previous prime is 86976881. The next prime is 86976919. The reversal of 86976897 is 79867968.

It is not a de Polignac number, because 86976897 - 2⁴ = 86976881 is a prime.

It is a super-2 number, since 2×86976897² = 15129961223497218, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86976897.

It is not an unprimeable number, because it can be changed into a prime (86976817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36888 + ... + 39174.

It is an arithmetic number, because the mean of its divisors is an integer number (8291712).

Almost surely, 2^86976897 is an apocalyptic number.

It is an amenable number.

86976897 is a deficient number, since it is larger than the sum of its proper divisors (45690495).

86976897 is a wasteful number, since it uses less digits than its factorization.

86976897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108.

The product of its digits is 9144576, while the sum is 60.

The square root of 86976897 is about 9326.1405200651. The cubic root of 86976897 is about 443.0655362858.

The spelling of 86976897 in words is "eighty-six million, nine hundred seventy-six thousand, eight hundred ninety-seven".