76857360156 has 36 divisors (see below), whose sum is σ = 194677300272. Its totient is φ = 25566508224.

The previous prime is 76857360121. The next prime is 76857360157. The reversal of 76857360156 is 65106375867.

76857360156 is a `hidden beast` number, since 7 + 6 + 8 + 573 + 60 + 1 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76857360157) 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 in 11 ways as a sum of consecutive naturals, for example, 2174385 + ... + 2209448.

Almost surely, 2^76857360156 is an apocalyptic number.

It is an amenable number.

76857360156 is an abundant number, since it is smaller than the sum of its proper divisors (117819940116).

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

76857360156 is a wasteful number, since it uses less digits than its factorization.

76857360156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384330 (or 4384325 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 76857360156 in words is "seventy-six billion, eight hundred fifty-seven million, three hundred sixty thousand, one hundred fifty-six".