86594425919 has 2 divisors, whose sum is σ = 86594425920. Its totient is φ = 86594425918.

The previous prime is 86594425789. The next prime is 86594425987. The reversal of 86594425919 is 91952449568.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86594425919 - 2³² = 82299458623 is a prime.

It is a super-2 number, since 2×86594425919² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86594427919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43297212959 + 43297212960.

It is an arithmetic number, because the mean of its divisors is an integer number (43297212960).

Almost surely, 2^86594425919 is an apocalyptic number.

86594425919 is a deficient number, since it is larger than the sum of its proper divisors (1).

86594425919 is an equidigital number, since it uses as much as digits as its factorization.

86594425919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27993600, while the sum is 62.

The spelling of 86594425919 in words is "eighty-six billion, five hundred ninety-four million, four hundred twenty-five thousand, nine hundred nineteen".