86852052431 has 2 divisors, whose sum is σ = 86852052432. Its totient is φ = 86852052430.

The previous prime is 86852052361. The next prime is 86852052467. The reversal of 86852052431 is 13425025868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86852052431 - 2²² = 86847858127 is a prime.

It is a super-2 number, since 2×86852052431² (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 (86852057431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43426026215 + 43426026216.

It is an arithmetic number, because the mean of its divisors is an integer number (43426026216).

Almost surely, 2^86852052431 is an apocalyptic number.

86852052431 is a deficient number, since it is larger than the sum of its proper divisors (1).

86852052431 is an equidigital number, since it uses as much as digits as its factorization.

86852052431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 86852052431 in words is "eighty-six billion, eight hundred fifty-two million, fifty-two thousand, four hundred thirty-one".