28842523915 has 16 divisors (see below), whose sum is σ = 34730388000. Its totient is φ = 22994525952.

The previous prime is 28842523889. The next prime is 28842523937. The reversal of 28842523915 is 51932524882.

It is a cyclic number.

It is not a de Polignac number, because 28842523915 - 2²⁹ = 28305653003 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3910351 + ... + 3917719.

It is an arithmetic number, because the mean of its divisors is an integer number (2170649250).

Almost surely, 2^28842523915 is an apocalyptic number.

28842523915 is a deficient number, since it is larger than the sum of its proper divisors (5887864085).

28842523915 is a wasteful number, since it uses less digits than its factorization.

28842523915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9966.

The product of its digits is 1382400, while the sum is 49.

The spelling of 28842523915 in words is "twenty-eight billion, eight hundred forty-two million, five hundred twenty-three thousand, nine hundred fifteen".