7947707264 has 64 divisors (see below), whose sum is σ = 19159688160. Its totient is φ = 3205791744.

The previous prime is 7947707203. The next prime is 7947707347. The reversal of 7947707264 is 4627077497.

It is a tau number, because it is divible by the number of its divisors (64).

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, 245657 + ... + 276120.

Almost surely, 2^7947707264 is an apocalyptic number.

It is an amenable number.

7947707264 is an abundant number, since it is smaller than the sum of its proper divisors (11211980896).

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

7947707264 is a wasteful number, since it uses less digits than its factorization.

7947707264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521815 (or 521803 counting only the distinct ones).

The product of its (nonzero) digits is 4148928, while the sum is 53.

The square root of 7947707264 is about 89149.9145484728. The cubic root of 7947707264 is about 1995.6327424722.

The spelling of 7947707264 in words is "seven billion, nine hundred forty-seven million, seven hundred seven thousand, two hundred sixty-four".