8028320904 has 24 divisors (see below), whose sum is σ = 21743369310. Its totient is φ = 2676106944.

The previous prime is 8028320903. The next prime is 8028320921. The reversal of 8028320904 is 4090238208.

It can be written as a sum of positive squares in only one way, i.e., 6831022500 + 1197298404 = 82650^2 + 34602^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (8028320903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55752157 + ... + 55752300.

Almost surely, 2^8028320904 is an apocalyptic number.

It is an amenable number.

8028320904 is an abundant number, since it is smaller than the sum of its proper divisors (13715048406).

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

8028320904 is a wasteful number, since it uses less digits than its factorization.

8028320904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111504469 (or 111504462 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 8028320904 is about 89600.8978972867. The cubic root of 8028320904 is about 2002.3572958199.

The spelling of 8028320904 in words is "eight billion, twenty-eight million, three hundred twenty thousand, nine hundred four".