83078872152715 has 64 divisors (see below), whose sum is σ = 106149797978112. Its totient is φ = 62286072076800.

The previous prime is 83078872152667. The next prime is 83078872152719. The reversal of 83078872152715 is 51725127887038.

It is not a de Polignac number, because 83078872152715 - 2²¹ = 83078870055563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83078872152719) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2196033850 + ... + 2196071680.

It is an arithmetic number, because the mean of its divisors is an integer number (1658590593408).

Almost surely, 2^{83078872152715} is an apocalyptic number.

83078872152715 is a deficient number, since it is larger than the sum of its proper divisors (23070925825397).

83078872152715 is a wasteful number, since it uses less digits than its factorization.

83078872152715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39140.

The product of its (nonzero) digits is 52684800, while the sum is 64.

The spelling of 83078872152715 in words is "eighty-three trillion, seventy-eight billion, eight hundred seventy-two million, one hundred fifty-two thousand, seven hundred fifteen".