117979289944 has 16 divisors (see below), whose sum is σ = 234223590600. Its totient is φ = 55519665792.

The previous prime is 117979289899. The next prime is 117979289993. The reversal of 117979289944 is 449982979711.

It is a super-2 number, since 2×117979289944² (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 3 ways as a sum of consecutive naturals, for example, 433747254 + ... + 433747525.

Almost surely, 2^117979289944 is an apocalyptic number.

It is an amenable number.

117979289944 is a deficient number, since it is larger than the sum of its proper divisors (116244300656).

117979289944 is a wasteful number, since it uses less digits than its factorization.

117979289944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867494802 (or 867494798 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 70.

The spelling of 117979289944 in words is "one hundred seventeen billion, nine hundred seventy-nine million, two hundred eighty-nine thousand, nine hundred forty-four".