8923120818 has 16 divisors (see below), whose sum is σ = 18097598016. Its totient is φ = 2932480880.

The previous prime is 8923120807. The next prime is 8923120847. The reversal of 8923120818 is 8180213298.

It is a self number, because there is not a number n which added to its sum of digits gives 8923120818.

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, 10472721 + ... + 10473572.

It is an arithmetic number, because the mean of its divisors is an integer number (1131099876).

Almost surely, 2^8923120818 is an apocalyptic number.

8923120818 is an abundant number, since it is smaller than the sum of its proper divisors (9174477198).

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

8923120818 is a wasteful number, since it uses less digits than its factorization.

8923120818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20946369.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 8923120818 is about 94462.2719290617. The cubic root of 8923120818 is about 2074.1440950972.

The spelling of 8923120818 in words is "eight billion, nine hundred twenty-three million, one hundred twenty thousand, eight hundred eighteen".