7865808704 has 56 divisors (see below), whose sum is σ = 17167116288. Its totient is φ = 3553113600.

The previous prime is 7865808701. The next prime is 7865808719. The reversal of 7865808704 is 4078085687.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7865808701) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 61472 + ... + 139679.

It is an arithmetic number, because the mean of its divisors is an integer number (306555648).

Almost surely, 2^7865808704 is an apocalyptic number.

It is an amenable number.

7865808704 is an abundant number, since it is smaller than the sum of its proper divisors (9301307584).

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

7865808704 is a wasteful number, since it uses less digits than its factorization.

7865808704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201223 (or 201213 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 53.

The square root of 7865808704 is about 88689.3945407228. The cubic root of 7865808704 is about 1988.7542773784.

The spelling of 7865808704 in words is "seven billion, eight hundred sixty-five million, eight hundred eight thousand, seven hundred four".