117533679872 has 54 divisors (see below), whose sum is σ = 272911659678. Its totient is φ = 50371571712.

The previous prime is 117533679859. The next prime is 117533679889. The reversal of 117533679872 is 278976335711.

It can be written as a sum of positive squares in only one way, i.e., 90904662016 + 26629017856 = 301504^2 + 163184^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4672313 + ... + 4697400.

Almost surely, 2^117533679872 is an apocalyptic number.

It is an amenable number.

117533679872 is an abundant number, since it is smaller than the sum of its proper divisors (155377979806).

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

117533679872 is an frugal number, since it uses more digits than its factorization.

117533679872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9369743 (or 9369722 counting only the distinct ones).

The product of its digits is 13335840, while the sum is 59.

The spelling of 117533679872 in words is "one hundred seventeen billion, five hundred thirty-three million, six hundred seventy-nine thousand, eight hundred seventy-two".