86959418699 has 2 divisors, whose sum is σ = 86959418700. Its totient is φ = 86959418698.

The previous prime is 86959418639. The next prime is 86959418743. The reversal of 86959418699 is 99681495968.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86959418699 - 2²⁸ = 86690983243 is a prime.

It is not a weakly prime, because it can be changed into another prime (86959418639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43479709349 + 43479709350.

It is an arithmetic number, because the mean of its divisors is an integer number (43479709350).

Almost surely, 2^86959418699 is an apocalyptic number.

86959418699 is a deficient number, since it is larger than the sum of its proper divisors (1).

86959418699 is an equidigital number, since it uses as much as digits as its factorization.

86959418699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302330880, while the sum is 74.

The spelling of 86959418699 in words is "eighty-six billion, nine hundred fifty-nine million, four hundred eighteen thousand, six hundred ninety-nine".