7657839164 has 6 divisors (see below), whose sum is σ = 13401218544. Its totient is φ = 3828919580.

The previous prime is 7657839157. The next prime is 7657839179. The reversal of 7657839164 is 4619387567.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957229892 + ... + 957229899.

It is an arithmetic number, because the mean of its divisors is an integer number (2233536424).

Almost surely, 2^7657839164 is an apocalyptic number.

It is an amenable number.

7657839164 is a deficient number, since it is larger than the sum of its proper divisors (5743379380).

7657839164 is a wasteful number, since it uses less digits than its factorization.

7657839164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914459795 (or 1914459793 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 56.

The square root of 7657839164 is about 87509.0804659722. The cubic root of 7657839164 is about 1971.0701464920.

The spelling of 7657839164 in words is "seven billion, six hundred fifty-seven million, eight hundred thirty-nine thousand, one hundred sixty-four".