28564371060 has 24 divisors (see below), whose sum is σ = 79980239136. Its totient is φ = 7617165600.

The previous prime is 28564371049. The next prime is 28564371061. The reversal of 28564371060 is 6017346582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28564371061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238036366 + ... + 238036485.

It is an arithmetic number, because the mean of its divisors is an integer number (3332509964).

Almost surely, 2^28564371060 is an apocalyptic number.

28564371060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28564371060 is an abundant number, since it is smaller than the sum of its proper divisors (51415868076).

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

28564371060 is a wasteful number, since it uses less digits than its factorization.

28564371060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476072863 (or 476072861 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 28564371060 in words is "twenty-eight billion, five hundred sixty-four million, three hundred seventy-one thousand, sixty".