7752056656 has 20 divisors (see below), whose sum is σ = 15265834804. Its totient is φ = 3812486400.

The previous prime is 7752056603. The next prime is 7752056681. The reversal of 7752056656 is 6566502577.

It can be written as a sum of positive squares in 2 ways, for example, as 1561514256 + 6190542400 = 39516^2 + 78680^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3970365 + ... + 3972316.

Almost surely, 2^7752056656 is an apocalyptic number.

It is an amenable number.

7752056656 is a deficient number, since it is larger than the sum of its proper divisors (7513778148).

7752056656 is a wasteful number, since it uses less digits than its factorization.

7752056656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7942750 (or 7942744 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 49.

The square root of 7752056656 is about 88045.7645545770. The cubic root of 7752056656 is about 1979.1208435839.

The spelling of 7752056656 in words is "seven billion, seven hundred fifty-two million, fifty-six thousand, six hundred fifty-six".