869993374172 has 36 divisors (see below), whose sum is σ = 1679717655000. Its totient is φ = 393959247552.

The previous prime is 869993374157. The next prime is 869993374207. The reversal of 869993374172 is 271473399968.

It is a super-2 number, since 2×869993374172² (a number of 25 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 11 ways as a sum of consecutive naturals, for example, 12105422 + ... + 12177077.

It is an arithmetic number, because the mean of its divisors is an integer number (46658823750).

Almost surely, 2^869993374172 is an apocalyptic number.

It is an amenable number.

869993374172 is a deficient number, since it is larger than the sum of its proper divisors (809724280828).

869993374172 is a wasteful number, since it uses less digits than its factorization.

869993374172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24282582 (or 24282567 counting only the distinct ones).

The product of its digits is 123451776, while the sum is 68.

The spelling of 869993374172 in words is "eight hundred sixty-nine billion, nine hundred ninety-three million, three hundred seventy-four thousand, one hundred seventy-two".