28388113586272 has 48 divisors (see below), whose sum is σ = 60974064615744. Its totient is φ = 12902812048000.

The previous prime is 28388113586243. The next prime is 28388113586299. The reversal of 28388113586272 is 27268531188382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2469447 + ... + 7929337.

It is an arithmetic number, because the mean of its divisors is an integer number (1270293012828).

Almost surely, 2^{28388113586272} is an apocalyptic number.

28388113586272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28388113586272 is an abundant number, since it is smaller than the sum of its proper divisors (32585951029472).

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

28388113586272 is a wasteful number, since it uses less digits than its factorization.

28388113586272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474683 (or 5474675 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 64.

The spelling of 28388113586272 in words is "twenty-eight trillion, three hundred eighty-eight billion, one hundred thirteen million, five hundred eighty-six thousand, two hundred seventy-two".