86316971 has 16 divisors (see below), whose sum is σ = 95287584. Its totient is φ = 77704704.

The previous prime is 86316899. The next prime is 86317009. The reversal of 86316971 is 17961368.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86316971 is a prime.

It is a super-2 number, since 2×86316971² = 14901238965229682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86316071) 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, 97985 + ... + 98861.

It is an arithmetic number, because the mean of its divisors is an integer number (5955474).

Almost surely, 2^86316971 is an apocalyptic number.

86316971 is a deficient number, since it is larger than the sum of its proper divisors (8970613).

86316971 is a wasteful number, since it uses less digits than its factorization.

86316971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070.

The product of its digits is 54432, while the sum is 41.

The square root of 86316971 is about 9290.6927082968. The cubic root of 86316971 is about 441.9421226674.

The spelling of 86316971 in words is "eighty-six million, three hundred sixteen thousand, nine hundred seventy-one".