86328031849931 has 2 divisors, whose sum is σ = 86328031849932. Its totient is φ = 86328031849930.

The previous prime is 86328031849919. The next prime is 86328031850033. The reversal of 86328031849931 is 13994813082368.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86328031849931 - 2⁴² = 81929985338827 is a prime.

It is a super-2 number, since 2×86328031849931² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86328031848931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43164015924965 + 43164015924966.

It is an arithmetic number, because the mean of its divisors is an integer number (43164015924966).

Almost surely, 2^{86328031849931} is an apocalyptic number.

86328031849931 is a deficient number, since it is larger than the sum of its proper divisors (1).

86328031849931 is an equidigital number, since it uses as much as digits as its factorization.

86328031849931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53747712, while the sum is 65.

The spelling of 86328031849931 in words is "eighty-six trillion, three hundred twenty-eight billion, thirty-one million, eight hundred forty-nine thousand, nine hundred thirty-one".