28056461884 has 24 divisors (see below), whose sum is σ = 53566587648. Its totient is φ = 12751925040.

The previous prime is 28056461843. The next prime is 28056461893. The reversal of 28056461884 is 48816465082.

It is a happy number.

It is a super-3 number, since 3×28056461884³ (a number of 32 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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, 1027699 + ... + 1054645.

It is an arithmetic number, because the mean of its divisors is an integer number (2231941152).

Almost surely, 2^28056461884 is an apocalyptic number.

It is an amenable number.

28056461884 is a deficient number, since it is larger than the sum of its proper divisors (25510125764).

28056461884 is a wasteful number, since it uses less digits than its factorization.

28056461884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50625 (or 50623 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 52.

The spelling of 28056461884 in words is "twenty-eight billion, fifty-six million, four hundred sixty-one thousand, eight hundred eighty-four".