28383521060 has 48 divisors (see below), whose sum is σ = 59810268672. Its totient is φ = 11314454400.

The previous prime is 28383521029. The next prime is 28383521093. The reversal of 28383521060 is 6012538382.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10168265 + ... + 10171055.

It is an arithmetic number, because the mean of its divisors is an integer number (1246047264).

Almost surely, 2^28383521060 is an apocalyptic number.

28383521060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28383521060 is an abundant number, since it is smaller than the sum of its proper divisors (31426747612).

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

28383521060 is a wasteful number, since it uses less digits than its factorization.

28383521060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364 (or 4362 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 28383521060 in words is "twenty-eight billion, three hundred eighty-three million, five hundred twenty-one thousand, sixty".