7885073664 has 108 divisors (see below), whose sum is σ = 24483520516. Its totient is φ = 2426167296.

The previous prime is 7885073659. The next prime is 7885073699. The reversal of 7885073664 is 4663705887.

7885073664 is a `hidden beast` number, since 78 + 8 + 507 + 3 + 6 + 64 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2096907264 + 5788166400 = 45792^2 + 76080^2 .

It is a super-3 number, since 3×7885073664³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7885073664.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101677 + ... + 161580.

Almost surely, 2^7885073664 is an apocalyptic number.

It is an amenable number.

7885073664 is an abundant number, since it is smaller than the sum of its proper divisors (16598446852).

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

7885073664 is a wasteful number, since it uses less digits than its factorization.

7885073664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263292 (or 263275 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The square root of 7885073664 is about 88797.9372733399. The cubic root of 7885073664 is about 1990.3765744426.

The spelling of 7885073664 in words is "seven billion, eight hundred eighty-five million, seventy-three thousand, six hundred sixty-four".