86837867551 has 2 divisors, whose sum is σ = 86837867552. Its totient is φ = 86837867550.

The previous prime is 86837867533. The next prime is 86837867561. The reversal of 86837867551 is 15576873868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86837867551 - 2⁷ = 86837867423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86837867521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43418933775 + 43418933776.

It is an arithmetic number, because the mean of its divisors is an integer number (43418933776).

Almost surely, 2^86837867551 is an apocalyptic number.

86837867551 is a deficient number, since it is larger than the sum of its proper divisors (1).

86837867551 is an equidigital number, since it uses as much as digits as its factorization.

86837867551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67737600, while the sum is 64.

The spelling of 86837867551 in words is "eighty-six billion, eight hundred thirty-seven million, eight hundred sixty-seven thousand, five hundred fifty-one".