7657631764 has 24 divisors (see below), whose sum is σ = 13623513120. Its totient is φ = 3765715296.

The previous prime is 7657631747. The next prime is 7657631797. The reversal of 7657631764 is 4671367567.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4867 + ... + 123850.

It is an arithmetic number, because the mean of its divisors is an integer number (567646380).

Almost surely, 2^7657631764 is an apocalyptic number.

It is an amenable number.

7657631764 is a deficient number, since it is larger than the sum of its proper divisors (5965881356).

7657631764 is a wasteful number, since it uses less digits than its factorization.

7657631764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128967 (or 128965 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 52.

The square root of 7657631764 is about 87507.8954380689. The cubic root of 7657631764 is about 1971.0523519319.

The spelling of 7657631764 in words is "seven billion, six hundred fifty-seven million, six hundred thirty-one thousand, seven hundred sixty-four".