7904276836 has 9 divisors (see below), whose sum is σ = 13832795641. Its totient is φ = 3952049512.

The previous prime is 7904276797. The next prime is 7904276843. The reversal of 7904276836 is 6386724097.

The square root of 7904276836 is 88906.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1431108900 + 6473167936 = 37830^2 + 80456^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 155586 + ... + 200038.

Almost surely, 2^7904276836 is an apocalyptic number.

7904276836 is the 88906-th square number.

It is an amenable number.

7904276836 is a deficient number, since it is larger than the sum of its proper divisors (5928518805).

7904276836 is an frugal number, since it uses more digits than its factorization.

7904276836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88910 (or 44455 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The cubic root of 7904276836 is about 1991.9910407628.

The spelling of 7904276836 in words is "seven billion, nine hundred four million, two hundred seventy-six thousand, eight hundred thirty-six".