28585874316 has 48 divisors (see below), whose sum is σ = 69036387840. Its totient is φ = 9195251520.

The previous prime is 28585874309. The next prime is 28585874321. The reversal of 28585874316 is 61347858582.

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, 679405 + ... + 720251.

It is an arithmetic number, because the mean of its divisors is an integer number (1438258080).

Almost surely, 2^28585874316 is an apocalyptic number.

It is an amenable number.

28585874316 is an abundant number, since it is smaller than the sum of its proper divisors (40450513524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28585874316 is a wasteful number, since it uses less digits than its factorization.

28585874316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42894 (or 42892 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 57.

The spelling of 28585874316 in words is "twenty-eight billion, five hundred eighty-five million, eight hundred seventy-four thousand, three hundred sixteen".