9163878912 has 60 divisors (see below), whose sum is σ = 26447588310. Its totient is φ = 3054624768.

The previous prime is 9163878901. The next prime is 9163878947. The reversal of 9163878912 is 2198783619.

It can be written as a sum of positive squares in only one way, i.e., 9151600896 + 12278016 = 95664^2 + 3504^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 989737 + ... + 998952.

Almost surely, 2^9163878912 is an apocalyptic number.

It is an amenable number.

9163878912 is an abundant number, since it is smaller than the sum of its proper divisors (17283709398).

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

9163878912 is a wasteful number, since it uses less digits than its factorization.

9163878912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988713 (or 1988694 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 9163878912 is about 95728.1510946493. The cubic root of 9163878912 is about 2092.6332134288.

The spelling of 9163878912 in words is "nine billion, one hundred sixty-three million, eight hundred seventy-eight thousand, nine hundred twelve".