86511707 has 2 divisors, whose sum is σ = 86511708. Its totient is φ = 86511706.

The previous prime is 86511701. The next prime is 86511709. The reversal of 86511707 is 70711568.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86511707 - 2²⁶ = 19402843 is a prime.

Together with 86511709, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86511701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43255853 + 43255854.

It is an arithmetic number, because the mean of its divisors is an integer number (43255854).

Almost surely, 2^86511707 is an apocalyptic number.

86511707 is a deficient number, since it is larger than the sum of its proper divisors (1).

86511707 is an equidigital number, since it uses as much as digits as its factorization.

86511707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 86511707 is about 9301.1669697947. The cubic root of 86511707 is about 442.2742219093.

The spelling of 86511707 in words is "eighty-six million, five hundred eleven thousand, seven hundred seven".