8778994164 has 48 divisors (see below), whose sum is σ = 23041370240. Its totient is φ = 2926328472.

The previous prime is 8778994111. The next prime is 8778994187. The reversal of 8778994164 is 4614998778.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493024 + ... + 510519.

Almost surely, 2^8778994164 is an apocalyptic number.

It is an amenable number.

8778994164 is an abundant number, since it is smaller than the sum of its proper divisors (14262376076).

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

8778994164 is a wasteful number, since it uses less digits than its factorization.

8778994164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003568 (or 1003548 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The square root of 8778994164 is about 93696.2868207700. The cubic root of 8778994164 is about 2062.9162018912.

The spelling of 8778994164 in words is "eight billion, seven hundred seventy-eight million, nine hundred ninety-four thousand, one hundred sixty-four".