28375852488 has 32 divisors (see below), whose sum is σ = 73385827200. Its totient is φ = 9132458048.

The previous prime is 28375852471. The next prime is 28375852489. The reversal of 28375852488 is 88425857382.

It is not an unprimeable number, because it can be changed into a prime (28375852489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20384256 + ... + 20385647.

It is an arithmetic number, because the mean of its divisors is an integer number (2293307100).

Almost surely, 2^28375852488 is an apocalyptic number.

It is an amenable number.

28375852488 is an abundant number, since it is smaller than the sum of its proper divisors (45009974712).

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

28375852488 is a wasteful number, since it uses less digits than its factorization.

28375852488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40769941 (or 40769937 counting only the distinct ones).

The product of its digits is 34406400, while the sum is 60.

The spelling of 28375852488 in words is "twenty-eight billion, three hundred seventy-five million, eight hundred fifty-two thousand, four hundred eighty-eight".