28553885162 has 24 divisors (see below), whose sum is σ = 48350920548. Its totient is φ = 12628249920.

The previous prime is 28553885153. The next prime is 28553885209. The reversal of 28553885162 is 26158835582.

It can be written as a sum of positive squares in 2 ways, for example, as 28551198841 + 2686321 = 168971^2 + 1639^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1585523 + ... + 1603430.

Almost surely, 2^28553885162 is an apocalyptic number.

28553885162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28553885162 is a deficient number, since it is larger than the sum of its proper divisors (19797035386).

28553885162 is a wasteful number, since it uses less digits than its factorization.

28553885162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189014 (or 3189003 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 53.

The spelling of 28553885162 in words is "twenty-eight billion, five hundred fifty-three million, eight hundred eighty-five thousand, one hundred sixty-two".