28583156136 has 32 divisors (see below), whose sum is σ = 71507224800. Its totient is φ = 9521140800.

The previous prime is 28583156099. The next prime is 28583156167. The reversal of 28583156136 is 63165138582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375571 + ... + 445218.

It is an arithmetic number, because the mean of its divisors is an integer number (2234600775).

Almost surely, 2^28583156136 is an apocalyptic number.

It is an amenable number.

28583156136 is an abundant number, since it is smaller than the sum of its proper divisors (42924068664).

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

28583156136 is a wasteful number, since it uses less digits than its factorization.

28583156136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822249 (or 822245 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The spelling of 28583156136 in words is "twenty-eight billion, five hundred eighty-three million, one hundred fifty-six thousand, one hundred thirty-six".