860891536927 has 2 divisors, whose sum is σ = 860891536928. Its totient is φ = 860891536926.

The previous prime is 860891536849. The next prime is 860891536957. The reversal of 860891536927 is 729635198068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 860891536927 - 2³⁵ = 826531798559 is a prime.

It is a super-2 number, since 2×860891536927² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860891536957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430445768463 + 430445768464.

It is an arithmetic number, because the mean of its divisors is an integer number (430445768464).

Almost surely, 2^860891536927 is an apocalyptic number.

860891536927 is a deficient number, since it is larger than the sum of its proper divisors (1).

860891536927 is an equidigital number, since it uses as much as digits as its factorization.

860891536927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 860891536927 in words is "eight hundred sixty billion, eight hundred ninety-one million, five hundred thirty-six thousand, nine hundred twenty-seven".