28322858620 has 24 divisors (see below), whose sum is σ = 67974861024. Its totient is φ = 9710694336.

The previous prime is 28322858593. The next prime is 28322858639. The reversal of 28322858620 is 2685822382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101152927 + ... + 101153206.

It is an arithmetic number, because the mean of its divisors is an integer number (2832285876).

Almost surely, 2^28322858620 is an apocalyptic number.

28322858620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28322858620 is an abundant number, since it is smaller than the sum of its proper divisors (39652002404).

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

28322858620 is a wasteful number, since it uses less digits than its factorization.

28322858620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202306149 (or 202306147 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 28322858620 in words is "twenty-eight billion, three hundred twenty-two million, eight hundred fifty-eight thousand, six hundred twenty".