28774575104 has 44 divisors (see below), whose sum is σ = 62750260968. Its totient is φ = 13079347200.

The previous prime is 28774575097. The next prime is 28774575119. The reversal of 28774575104 is 40157547782.

It is a tau number, because it is divible by the number of its divisors (44).

It is a super-2 number, since 2×28774575104² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266017 + ... + 1288544.

Almost surely, 2^28774575104 is an apocalyptic number.

It is an amenable number.

28774575104 is an abundant number, since it is smaller than the sum of its proper divisors (33975685864).

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

28774575104 is a wasteful number, since it uses less digits than its factorization.

28774575104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554592 (or 2554574 counting only the distinct ones).

The product of its (nonzero) digits is 2195200, while the sum is 50.

The spelling of 28774575104 in words is "twenty-eight billion, seven hundred seventy-four million, five hundred seventy-five thousand, one hundred four".