28558136356 has 12 divisors (see below), whose sum is σ = 50578868592. Its totient is φ = 14107031048.

The previous prime is 28558136339. The next prime is 28558136437. The reversal of 28558136356 is 65363185582.

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, 43008910 + ... + 43009573.

It is an arithmetic number, because the mean of its divisors is an integer number (4214905716).

Almost surely, 2^28558136356 is an apocalyptic number.

It is an amenable number.

28558136356 is a deficient number, since it is larger than the sum of its proper divisors (22020732236).

28558136356 is a wasteful number, since it uses less digits than its factorization.

28558136356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86018570 (or 86018568 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 52.

The spelling of 28558136356 in words is "twenty-eight billion, five hundred fifty-eight million, one hundred thirty-six thousand, three hundred fifty-six".