7644764316 has 48 divisors (see below), whose sum is σ = 20428007936. Its totient is φ = 2179721664.

The previous prime is 7644764293. The next prime is 7644764341. The reversal of 7644764316 is 6134674467.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52531 + ... + 134346.

Almost surely, 2^7644764316 is an apocalyptic number.

It is an amenable number.

7644764316 is an abundant number, since it is smaller than the sum of its proper divisors (12783243620).

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

7644764316 is a wasteful number, since it uses less digits than its factorization.

7644764316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187378 (or 187376 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 48.

The square root of 7644764316 is about 87434.3428865340. The cubic root of 7644764316 is about 1969.9477182995.

The spelling of 7644764316 in words is "seven billion, six hundred forty-four million, seven hundred sixty-four thousand, three hundred sixteen".