28584656352 has 120 divisors (see below), whose sum is σ = 96076267056. Its totient is φ = 8167039488.

The previous prime is 28584656351. The next prime is 28584656371. The reversal of 28584656352 is 25365648582.

28584656352 is a `hidden beast` number, since 2 + 8 + 584 + 6 + 5 + 6 + 3 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28584656351) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 769573 + ... + 805860.

Almost surely, 2^28584656352 is an apocalyptic number.

It is an amenable number.

28584656352 is an abundant number, since it is smaller than the sum of its proper divisors (67491610704).

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

28584656352 is a wasteful number, since it uses less digits than its factorization.

28584656352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575462 (or 1575445 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 54.

The spelling of 28584656352 in words is "twenty-eight billion, five hundred eighty-four million, six hundred fifty-six thousand, three hundred fifty-two".