28285587060 has 48 divisors (see below), whose sum is σ = 79491939072. Its totient is φ = 7514985600.

The previous prime is 28285587053. The next prime is 28285587061. The reversal of 28285587060 is 6078558282.

It is a junction number, because it is equal to n+sod(n) for n = 28285586994 and 28285587012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28285587061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 853531 + ... + 886050.

It is an arithmetic number, because the mean of its divisors is an integer number (1656082064).

Almost surely, 2^28285587060 is an apocalyptic number.

28285587060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28285587060 is an abundant number, since it is smaller than the sum of its proper divisors (51206352012).

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

28285587060 is a wasteful number, since it uses less digits than its factorization.

28285587060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739864 (or 1739862 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 51.

The spelling of 28285587060 in words is "twenty-eight billion, two hundred eighty-five million, five hundred eighty-seven thousand, sixty".