28584364321264 has 20 divisors (see below), whose sum is σ = 57291937110360. Its totient is φ = 13799348292800.

The previous prime is 28584364321241. The next prime is 28584364321327. The reversal of 28584364321264 is 46212346348582.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a junction number, because it is equal to n+sod(n) for n = 28584364321199 and 28584364321208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30802116262 + ... + 30802117189.

It is an arithmetic number, because the mean of its divisors is an integer number (2864596855518).

Almost surely, 2^{28584364321264} is an apocalyptic number.

It is an amenable number.

28584364321264 is an abundant number, since it is smaller than the sum of its proper divisors (28707572789096).

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

28584364321264 is a wasteful number, since it uses less digits than its factorization.

28584364321264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61604233488 (or 61604233482 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 58.

The spelling of 28584364321264 in words is "twenty-eight trillion, five hundred eighty-four billion, three hundred sixty-four million, three hundred twenty-one thousand, two hundred sixty-four".