28374909584 has 40 divisors (see below), whose sum is σ = 64856944128. Its totient is φ = 11768394240.

The previous prime is 28374909551. The next prime is 28374909587. The reversal of 28374909584 is 48590947382.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28374909587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4082777 + ... + 4089720.

Almost surely, 2^28374909584 is an apocalyptic number.

It is an amenable number.

28374909584 is an abundant number, since it is smaller than the sum of its proper divisors (36482034544).

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

28374909584 is a wasteful number, since it uses less digits than its factorization.

28374909584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8172543 (or 8172537 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 28374909584 in words is "twenty-eight billion, three hundred seventy-four million, nine hundred nine thousand, five hundred eighty-four".