156877814004 has 24 divisors (see below), whose sum is σ = 366127201440. Its totient is φ = 52281323424.

The previous prime is 156877813979. The next prime is 156877814011. The reversal of 156877814004 is 400418778651.

It is a super-2 number, since 2×156877814004² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352119 + ... + 1463550.

It is an arithmetic number, because the mean of its divisors is an integer number (15255300060).

Almost surely, 2^156877814004 is an apocalyptic number.

It is an amenable number.

156877814004 is an abundant number, since it is smaller than the sum of its proper divisors (209249387436).

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

156877814004 is a wasteful number, since it uses less digits than its factorization.

156877814004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820319 (or 2820317 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 51.

The spelling of 156877814004 in words is "one hundred fifty-six billion, eight hundred seventy-seven million, eight hundred fourteen thousand, four".