28110568488 has 16 divisors (see below), whose sum is σ = 70276421280. Its totient is φ = 9370189488.

The previous prime is 28110568471. The next prime is 28110568489. The reversal of 28110568488 is 88486501182.

It is a super-2 number, since 2×28110568488² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28110568488.

It is not an unprimeable number, because it can be changed into a prime (28110568489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585636820 + ... + 585636867.

It is an arithmetic number, because the mean of its divisors is an integer number (4392276330).

Almost surely, 2^28110568488 is an apocalyptic number.

It is an amenable number.

28110568488 is an abundant number, since it is smaller than the sum of its proper divisors (42165852792).

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

28110568488 is a wasteful number, since it uses less digits than its factorization.

28110568488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171273696 (or 1171273692 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 51.

The spelling of 28110568488 in words is "twenty-eight billion, one hundred ten million, five hundred sixty-eight thousand, four hundred eighty-eight".