8630781604 has 9 divisors (see below), whose sum is σ = 15104192971. Its totient is φ = 4315297900.

The previous prime is 8630781589. The next prime is 8630781613. The reversal of 8630781604 is 4061870368.

The square root of 8630781604 is 92902.

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

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, 162579 + ... + 209029.

Almost surely, 2^8630781604 is an apocalyptic number.

8630781604 is the 92902-nd square number.

It is an amenable number.

8630781604 is a deficient number, since it is larger than the sum of its proper divisors (6473411367).

8630781604 is an frugal number, since it uses more digits than its factorization.

8630781604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92906 (or 46453 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The cubic root of 8630781604 is about 2051.2410968956.

The spelling of 8630781604 in words is "eight billion, six hundred thirty million, seven hundred eighty-one thousand, six hundred four".