8120914804 has 12 divisors (see below), whose sum is σ = 14302121764. Its totient is φ = 4034594304.

The previous prime is 8120914793. The next prime is 8120914817. The reversal of 8120914804 is 4084190218.

It can be written as a sum of positive squares in 2 ways, for example, as 844483600 + 7276431204 = 29060^2 + 85302^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6465069 + ... + 6466324.

Almost surely, 2^8120914804 is an apocalyptic number.

It is an amenable number.

8120914804 is a deficient number, since it is larger than the sum of its proper divisors (6181206960).

8120914804 is a wasteful number, since it uses less digits than its factorization.

8120914804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12931554 (or 12931552 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 8120914804 is about 90116.1184472567. The cubic root of 8120914804 is about 2010.0258904448.

The spelling of 8120914804 in words is "eight billion, one hundred twenty million, nine hundred fourteen thousand, eight hundred four".