7872702670815 has 48 divisors (see below), whose sum is σ = 12906511640928. Its totient is φ = 4097791565824.

The previous prime is 7872702670813. The next prime is 7872702670823. The reversal of 7872702670815 is 5180762072787.

It is not a de Polignac number, because 7872702670815 - 2¹ = 7872702670813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7872702670813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11360119 + ... + 12033191.

It is an arithmetic number, because the mean of its divisors is an integer number (268885659186).

Almost surely, 2^{7872702670815} is an apocalyptic number.

7872702670815 is a deficient number, since it is larger than the sum of its proper divisors (5033808970113).

7872702670815 is a wasteful number, since it uses less digits than its factorization.

7872702670815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673528 (or 673481 counting only the distinct ones).

The product of its (nonzero) digits is 18439680, while the sum is 60.

The spelling of 7872702670815 in words is "seven trillion, eight hundred seventy-two billion, seven hundred two million, six hundred seventy thousand, eight hundred fifteen".