86692879291 has 2 divisors, whose sum is σ = 86692879292. Its totient is φ = 86692879290.

The previous prime is 86692879249. The next prime is 86692879327. The reversal of 86692879291 is 19297829668.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86692879291 - 2¹⁵ = 86692846523 is a prime.

It is not a weakly prime, because it can be changed into another prime (86692874291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43346439645 + 43346439646.

It is an arithmetic number, because the mean of its divisors is an integer number (43346439646).

Almost surely, 2^86692879291 is an apocalyptic number.

86692879291 is a deficient number, since it is larger than the sum of its proper divisors (1).

86692879291 is an equidigital number, since it uses as much as digits as its factorization.

86692879291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47029248, while the sum is 67.

The spelling of 86692879291 in words is "eighty-six billion, six hundred ninety-two million, eight hundred seventy-nine thousand, two hundred ninety-one".