8778216264 has 16 divisors (see below), whose sum is σ = 21945540720. Its totient is φ = 2926072080.

The previous prime is 8778216259. The next prime is 8778216269. The reversal of 8778216264 is 4626128778.

It is an interprime number because it is at equal distance from previous prime (8778216259) and next prime (8778216269).

It is not an unprimeable number, because it can be changed into a prime (8778216269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182879482 + ... + 182879529.

It is an arithmetic number, because the mean of its divisors is an integer number (1371596295).

Almost surely, 2^8778216264 is an apocalyptic number.

It is an amenable number.

8778216264 is an abundant number, since it is smaller than the sum of its proper divisors (13167324456).

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

8778216264 is a wasteful number, since it uses less digits than its factorization.

8778216264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365759020 (or 365759016 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The square root of 8778216264 is about 93692.1355504292. The cubic root of 8778216264 is about 2062.8552689459.

The spelling of 8778216264 in words is "eight billion, seven hundred seventy-eight million, two hundred sixteen thousand, two hundred sixty-four".