7617970664 has 32 divisors (see below), whose sum is σ = 14468430600. Its totient is φ = 3759866880.

The previous prime is 7617970621. The next prime is 7617970669. The reversal of 7617970664 is 4660797167.

It can be written as a sum of positive squares in 4 ways, for example, as 4950248164 + 2667722500 = 70358^2 + 51650^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7617970669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430634 + ... + 447974.

Almost surely, 2^7617970664 is an apocalyptic number.

It is an amenable number.

7617970664 is a deficient number, since it is larger than the sum of its proper divisors (6850459936).

7617970664 is a wasteful number, since it uses less digits than its factorization.

7617970664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18053 (or 18049 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 53.

The square root of 7617970664 is about 87280.9868413505. The cubic root of 7617970664 is about 1967.6435758391.

The spelling of 7617970664 in words is "seven billion, six hundred seventeen million, nine hundred seventy thousand, six hundred sixty-four".