7872928715 has 16 divisors (see below), whose sum is σ = 9491613600. Its totient is φ = 6269011200.

The previous prime is 7872928669. The next prime is 7872928771. The reversal of 7872928715 is 5178292787.

It is not a de Polignac number, because 7872928715 - 2²⁶ = 7805819851 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1044992 + ... + 1052498.

It is an arithmetic number, because the mean of its divisors is an integer number (593225850).

Almost surely, 2^7872928715 is an apocalyptic number.

7872928715 is a deficient number, since it is larger than the sum of its proper divisors (1618684885).

7872928715 is a wasteful number, since it uses less digits than its factorization.

7872928715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8462.

The product of its digits is 3951360, while the sum is 56.

The square root of 7872928715 is about 88729.5256101372. The cubic root of 7872928715 is about 1989.3541598382.

The spelling of 7872928715 in words is "seven billion, eight hundred seventy-two million, nine hundred twenty-eight thousand, seven hundred fifteen".