7664346388 has 24 divisors (see below), whose sum is σ = 14192478720. Its totient is φ = 3611465280.

The previous prime is 7664346379. The next prime is 7664346449. The reversal of 7664346388 is 8836434667.

It is a congruent number.

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, 249481 + ... + 278512.

It is an arithmetic number, because the mean of its divisors is an integer number (591353280).

Almost surely, 2^7664346388 is an apocalyptic number.

It is an amenable number.

7664346388 is a deficient number, since it is larger than the sum of its proper divisors (6528132332).

7664346388 is a wasteful number, since it uses less digits than its factorization.

7664346388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528207 (or 528205 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 55.

The square root of 7664346388 is about 87546.2528495652. The cubic root of 7664346388 is about 1971.6282919164.

The spelling of 7664346388 in words is "seven billion, six hundred sixty-four million, three hundred forty-six thousand, three hundred eighty-eight".