28082104875 has 96 divisors (see below), whose sum is σ = 56131568064. Its totient is φ = 13392000000.

The previous prime is 28082104873. The next prime is 28082104907. The reversal of 28082104875 is 57840128082.

It is a happy number.

28082104875 is a `hidden beast` number, since 2 + 80 + 82 + 10 + 487 + 5 = 666.

It is not a de Polignac number, because 28082104875 - 2¹ = 28082104873 is a prime.

It is a super-2 number, since 2×28082104875² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 28082104875.

It is not an unprimeable number, because it can be changed into a prime (28082104873) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 736275 + ... + 773475.

It is an arithmetic number, because the mean of its divisors is an integer number (584703834).

Almost surely, 2^28082104875 is an apocalyptic number.

28082104875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28082104875 is a deficient number, since it is larger than the sum of its proper divisors (28049463189).

28082104875 is a wasteful number, since it uses less digits than its factorization.

28082104875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37294 (or 37281 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The spelling of 28082104875 in words is "twenty-eight billion, eighty-two million, one hundred four thousand, eight hundred seventy-five".