789902100112 has 20 divisors (see below), whose sum is σ = 1530460482876. Its totient is φ = 394944556160.

The previous prime is 789902100103. The next prime is 789902100319. The reversal of 789902100112 is 211001209987.

It can be written as a sum of positive squares in 2 ways, for example, as 664838021376 + 125064078736 = 815376^2 + 353644^2 .

It is a super-2 number, since 2×789902100112² (a number of 25 digits) contains 22 as substring.

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, 686778 + ... + 1432294.

Almost surely, 2^789902100112 is an apocalyptic number.

It is an amenable number.

789902100112 is a deficient number, since it is larger than the sum of its proper divisors (740558382764).

789902100112 is a wasteful number, since it uses less digits than its factorization.

789902100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811746 (or 811740 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 789902100112 in words is "seven hundred eighty-nine billion, nine hundred two million, one hundred thousand, one hundred twelve".