86418000931 has 2 divisors, whose sum is σ = 86418000932. Its totient is φ = 86418000930.

The previous prime is 86418000899. The next prime is 86418000971. The reversal of 86418000931 is 13900081468.

It is an a-pointer prime, because the next prime (86418000971) can be obtained adding 86418000931 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86418000931 - 2⁵ = 86418000899 is a prime.

It is a super-2 number, since 2×86418000931² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86418000971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43209000465 + 43209000466.

It is an arithmetic number, because the mean of its divisors is an integer number (43209000466).

Almost surely, 2^86418000931 is an apocalyptic number.

86418000931 is a deficient number, since it is larger than the sum of its proper divisors (1).

86418000931 is an equidigital number, since it uses as much as digits as its factorization.

86418000931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 86418000931 in words is "eighty-six billion, four hundred eighteen million, nine hundred thirty-one", and thus it is an aban number.