7893111912 has 32 divisors (see below), whose sum is σ = 22551748800. Its totient is φ = 2255174784.

The previous prime is 7893111901. The next prime is 7893111959. The reversal of 7893111912 is 2191113987.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 23491237 + ... + 23491572.

It is an arithmetic number, because the mean of its divisors is an integer number (704742150).

Almost surely, 2^7893111912 is an apocalyptic number.

It is an amenable number.

7893111912 is an abundant number, since it is smaller than the sum of its proper divisors (14658636888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7893111912 is a wasteful number, since it uses less digits than its factorization.

7893111912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46982825 (or 46982821 counting only the distinct ones).

The product of its digits is 27216, while the sum is 42.

The square root of 7893111912 is about 88843.1872008203. The cubic root of 7893111912 is about 1991.0526918611.

It can be divided in two parts, 7893 and 111912, that added together give a triangular number (119805 = T₄₈₉).

The spelling of 7893111912 in words is "seven billion, eight hundred ninety-three million, one hundred eleven thousand, nine hundred twelve".