8813903820 has 48 divisors (see below), whose sum is σ = 24856500480. Its totient is φ = 2333462976.

The previous prime is 8813903809. The next prime is 8813903873. The reversal of 8813903820 is 283093188.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520072 + ... + 536751.

It is an arithmetic number, because the mean of its divisors is an integer number (517843760).

Almost surely, 2^8813903820 is an apocalyptic number.

It is an amenable number.

8813903820 is an abundant number, since it is smaller than the sum of its proper divisors (16042596660).

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

8813903820 is a wasteful number, since it uses less digits than its factorization.

8813903820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056974 (or 1056972 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 8813903820 is about 93882.3935570456. The cubic root of 8813903820 is about 2065.6469797450.

The spelling of 8813903820 in words is "eight billion, eight hundred thirteen million, nine hundred three thousand, eight hundred twenty".