117977242252 has 24 divisors (see below), whose sum is σ = 213509918720. Its totient is φ = 56981368080.

The previous prime is 117977242247. The next prime is 117977242261. The reversal of 117977242252 is 252242779711.

It is a junction number, because it is equal to n+sod(n) for n = 117977242196 and 117977242205.

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, 801852 + ... + 937507.

Almost surely, 2^117977242252 is an apocalyptic number.

It is an amenable number.

117977242252 is a deficient number, since it is larger than the sum of its proper divisors (95532676468).

117977242252 is a wasteful number, since it uses less digits than its factorization.

117977242252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739941 (or 1739939 counting only the distinct ones).

The product of its digits is 987840, while the sum is 49.

The spelling of 117977242252 in words is "one hundred seventeen billion, nine hundred seventy-seven million, two hundred forty-two thousand, two hundred fifty-two".