7668645384 has 32 divisors (see below), whose sum is σ = 19176981120. Its totient is φ = 2555499456.

The previous prime is 7668645373. The next prime is 7668645451. The reversal of 7668645384 is 4835468667.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46582 + ... + 132314.

It is an arithmetic number, because the mean of its divisors is an integer number (599280660).

Almost surely, 2^7668645384 is an apocalyptic number.

It is an amenable number.

7668645384 is an abundant number, since it is smaller than the sum of its proper divisors (11508335736).

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

7668645384 is a wasteful number, since it uses less digits than its factorization.

7668645384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89469 (or 89465 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 57.

The square root of 7668645384 is about 87570.8021203415. The cubic root of 7668645384 is about 1971.9968572817.

The spelling of 7668645384 in words is "seven billion, six hundred sixty-eight million, six hundred forty-five thousand, three hundred eighty-four".