117721076862 has 32 divisors (see below), whose sum is σ = 250143588000. Its totient is φ = 36863261568.

The previous prime is 117721076839. The next prime is 117721076897. The reversal of 117721076862 is 268670127711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9136237 + ... + 9149112.

It is an arithmetic number, because the mean of its divisors is an integer number (7816987125).

Almost surely, 2^117721076862 is an apocalyptic number.

117721076862 is an abundant number, since it is smaller than the sum of its proper divisors (132422511138).

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

117721076862 is a wasteful number, since it uses less digits than its factorization.

117721076862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18285420.

The product of its (nonzero) digits is 395136, while the sum is 48.

The spelling of 117721076862 in words is "one hundred seventeen billion, seven hundred twenty-one million, seventy-six thousand, eight hundred sixty-two".