117869221972 has 24 divisors (see below), whose sum is σ = 209238341760. Its totient is φ = 58089383040.

The previous prime is 117869221969. The next prime is 117869222017. The reversal of 117869221972 is 279122968711.

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, 132229 + ... + 503212.

It is an arithmetic number, because the mean of its divisors is an integer number (8718264240).

Almost surely, 2^117869221972 is an apocalyptic number.

It is an amenable number.

117869221972 is a deficient number, since it is larger than the sum of its proper divisors (91369119788).

117869221972 is a wasteful number, since it uses less digits than its factorization.

117869221972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636111 (or 636109 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 55.

The spelling of 117869221972 in words is "one hundred seventeen billion, eight hundred sixty-nine million, two hundred twenty-one thousand, nine hundred seventy-two".