28076845715 has 16 divisors (see below), whose sum is σ = 34666077600. Its totient is φ = 21817063680.

The previous prime is 28076845711. The next prime is 28076845717. The reversal of 28076845715 is 51754867082.

It is not a de Polignac number, because 28076845715 - 2² = 28076845711 is a prime.

It is a super-2 number, since 2×28076845715² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28076845711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255140 + ... + 348209.

It is an arithmetic number, because the mean of its divisors is an integer number (2166629850).

Almost surely, 2^28076845715 is an apocalyptic number.

28076845715 is a deficient number, since it is larger than the sum of its proper divisors (6589231885).

28076845715 is a wasteful number, since it uses less digits than its factorization.

28076845715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603622.

The product of its (nonzero) digits is 3763200, while the sum is 53.

The spelling of 28076845715 in words is "twenty-eight billion, seventy-six million, eight hundred forty-five thousand, seven hundred fifteen".