860812996158 has 24 divisors (see below), whose sum is σ = 1865117689968. Its totient is φ = 286934147712.

The previous prime is 860812996139. The next prime is 860812996159. The reversal of 860812996158 is 851699218068.

860812996158 is a `hidden beast` number, since 8 + 6 + 0 + 8 + 1 + 2 + 9 + 9 + 615 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 860812996095 and 860812996104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860812996159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1518510 + ... + 2006862.

It is an arithmetic number, because the mean of its divisors is an integer number (77713237082).

Almost surely, 2^860812996158 is an apocalyptic number.

860812996158 is an abundant number, since it is smaller than the sum of its proper divisors (1004304693810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

860812996158 is a wasteful number, since it uses less digits than its factorization.

860812996158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586288 (or 586285 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 63.

The spelling of 860812996158 in words is "eight hundred sixty billion, eight hundred twelve million, nine hundred ninety-six thousand, one hundred fifty-eight".