28700794585 has 16 divisors (see below), whose sum is σ = 34751787840. Its totient is φ = 22753897920.

The previous prime is 28700794571. The next prime is 28700794597. The reversal of 28700794585 is 58549700782.

It is not a de Polignac number, because 28700794585 - 2¹³ = 28700786393 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, 450226 + ... + 510004.

It is an arithmetic number, because the mean of its divisors is an integer number (2171986740).

Almost surely, 2^28700794585 is an apocalyptic number.

It is an amenable number.

28700794585 is a deficient number, since it is larger than the sum of its proper divisors (6050993255).

28700794585 is a wasteful number, since it uses less digits than its factorization.

28700794585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60648.

The product of its (nonzero) digits is 5644800, while the sum is 55.

The spelling of 28700794585 in words is "twenty-eight billion, seven hundred million, seven hundred ninety-four thousand, five hundred eighty-five".