8813399164 has 24 divisors (see below), whose sum is σ = 16649004960. Its totient is φ = 4069754304.

The previous prime is 8813399159. The next prime is 8813399227. The reversal of 8813399164 is 4619933188.

It is a happy number.

It is a congruent number.

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, 1649019 + ... + 1654354.

It is an arithmetic number, because the mean of its divisors is an integer number (693708540).

Almost surely, 2^8813399164 is an apocalyptic number.

It is an amenable number.

8813399164 is a deficient number, since it is larger than the sum of its proper divisors (7835605796).

8813399164 is a wasteful number, since it uses less digits than its factorization.

8813399164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303429 (or 3303427 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 52.

The square root of 8813399164 is about 93879.7058154743. The cubic root of 8813399164 is about 2065.6075548749.

The spelling of 8813399164 in words is "eight billion, eight hundred thirteen million, three hundred ninety-nine thousand, one hundred sixty-four".