28112475174 has 16 divisors (see below), whose sum is σ = 64257086208. Its totient is φ = 8032135752.

The previous prime is 28112475163. The next prime is 28112475227. The reversal of 28112475174 is 47157421182.

It is a happy number.

It is a super-2 number, since 2×28112475174² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 669344647 = 28112475174 / (2 + 8 + 1 + 1 + 2 + 4 + 7 + 5 + 1 + 7 + 4).

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, 334672282 + ... + 334672365.

It is an arithmetic number, because the mean of its divisors is an integer number (4016067888).

Almost surely, 2^28112475174 is an apocalyptic number.

28112475174 is an abundant number, since it is smaller than the sum of its proper divisors (36144611034).

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

28112475174 is a wasteful number, since it uses less digits than its factorization.

28112475174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669344659.

The product of its digits is 125440, while the sum is 42.

The spelling of 28112475174 in words is "twenty-eight billion, one hundred twelve million, four hundred seventy-five thousand, one hundred seventy-four".