28535886792 has 256 divisors, whose sum is σ = 96322867200. Its totient is φ = 7641216000.

The previous prime is 28535886781. The next prime is 28535886811. The reversal of 28535886792 is 29768853582.

28535886792 is a `hidden beast` number, since 2 + 8 + 535 + 8 + 8 + 6 + 7 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6449493 + ... + 6453915.

It is an arithmetic number, because the mean of its divisors is an integer number (376261200).

Almost surely, 2^28535886792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28535886792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48161433600).

28535886792 is an abundant number, since it is smaller than the sum of its proper divisors (67786980408).

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

28535886792 is a wasteful number, since it uses less digits than its factorization.

28535886792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713 (or 4703 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 63.

The spelling of 28535886792 in words is "twenty-eight billion, five hundred thirty-five million, eight hundred eighty-six thousand, seven hundred ninety-two".