7865928704 has 44 divisors (see below), whose sum is σ = 15939726984. Its totient is φ = 3879051264.

The previous prime is 7865928703. The next prime is 7865928751. The reversal of 7865928704 is 4078295687.

It is a super-2 number, since 2×7865928704² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7865928704.

It is not an unprimeable number, because it can be changed into a prime (7865928701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22139 + ... + 127365.

Almost surely, 2^7865928704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7865928704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7969863492).

7865928704 is an abundant number, since it is smaller than the sum of its proper divisors (8073798280).

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

7865928704 is a wasteful number, since it uses less digits than its factorization.

7865928704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105320 (or 105302 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 56.

The square root of 7865928704 is about 88690.0710564604. The cubic root of 7865928704 is about 1988.7643907399.

The spelling of 7865928704 in words is "seven billion, eight hundred sixty-five million, nine hundred twenty-eight thousand, seven hundred four".