86293762631 has 2 divisors, whose sum is σ = 86293762632. Its totient is φ = 86293762630.

The previous prime is 86293762559. The next prime is 86293762637. The reversal of 86293762631 is 13626739268.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86293762631 is a prime.

It is a super-2 number, since 2×86293762631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86293762637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43146881315 + 43146881316.

It is an arithmetic number, because the mean of its divisors is an integer number (43146881316).

Almost surely, 2^86293762631 is an apocalyptic number.

86293762631 is a deficient number, since it is larger than the sum of its proper divisors (1).

86293762631 is an equidigital number, since it uses as much as digits as its factorization.

86293762631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 53.

The spelling of 86293762631 in words is "eighty-six billion, two hundred ninety-three million, seven hundred sixty-two thousand, six hundred thirty-one".