28860080800 has 72 divisors (see below), whose sum is σ = 72884202300. Its totient is φ = 11145953280.

The previous prime is 28860080797. The next prime is 28860080827. The reversal of 28860080800 is 808006882.

It can be written as a sum of positive squares in 6 ways, for example, as 16493751184 + 12366329616 = 128428^2 + 111204^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 598785 + ... + 645184.

Almost surely, 2^28860080800 is an apocalyptic number.

28860080800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28860080800 is an abundant number, since it is smaller than the sum of its proper divisors (44024121500).

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

28860080800 is a wasteful number, since it uses less digits than its factorization.

28860080800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244018 (or 1244005 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The spelling of 28860080800 in words is "twenty-eight billion, eight hundred sixty million, eighty thousand, eight hundred".