28587285716 has 12 divisors (see below), whose sum is σ = 54575727360. Its totient is φ = 12994220760.

The previous prime is 28587285709. The next prime is 28587285721. The reversal of 28587285716 is 61758278582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324855476 + ... + 324855563.

It is an arithmetic number, because the mean of its divisors is an integer number (4547977280).

Almost surely, 2^28587285716 is an apocalyptic number.

It is an amenable number.

28587285716 is a deficient number, since it is larger than the sum of its proper divisors (25988441644).

28587285716 is a wasteful number, since it uses less digits than its factorization.

28587285716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649711054 (or 649711052 counting only the distinct ones).

The product of its digits is 15052800, while the sum is 59.

The spelling of 28587285716 in words is "twenty-eight billion, five hundred eighty-seven million, two hundred eighty-five thousand, seven hundred sixteen".