28300061188 has 12 divisors (see below), whose sum is σ = 56600122432. Its totient is φ = 12128597640.

The previous prime is 28300061123. The next prime is 28300061221. The reversal of 28300061188 is 88116000382.

28300061188 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 505358208 + ... + 505358263.

Almost surely, 2^28300061188 is an apocalyptic number.

28300061188 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28300061188 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28300061188 is a wasteful number, since it uses less digits than its factorization.

28300061188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010716482 (or 1010716480 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 28300061188 in words is "twenty-eight billion, three hundred million, sixty-one thousand, one hundred eighty-eight".