86151944373899 has 2 divisors, whose sum is σ = 86151944373900. Its totient is φ = 86151944373898.

The previous prime is 86151944373799. The next prime is 86151944374049. The reversal of 86151944373899 is 99837344915168.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86151944373899 - 2²⁰ = 86151943325323 is a prime.

It is a super-2 number, since 2×86151944373899² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (86151944373199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43075972186949 + 43075972186950.

It is an arithmetic number, because the mean of its divisors is an integer number (43075972186950).

Almost surely, 2^{86151944373899} is an apocalyptic number.

86151944373899 is a deficient number, since it is larger than the sum of its proper divisors (1).

86151944373899 is an equidigital number, since it uses as much as digits as its factorization.

86151944373899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1410877440, while the sum is 77.

The spelling of 86151944373899 in words is "eighty-six trillion, one hundred fifty-one billion, nine hundred forty-four million, three hundred seventy-three thousand, eight hundred ninety-nine".