28834880256 has 1080 divisors, whose sum is σ = 112497794640. Its totient is φ = 7273857024.

The previous prime is 28834880233. The next prime is 28834880287. The reversal of 28834880256 is 65208843882.

28834880256 is a `hidden beast` number, since 288 + 34 + 8 + 80 + 256 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 488726755 + ... + 488726813.

Almost surely, 2^28834880256 is an apocalyptic number.

28834880256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28834880256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56248897320).

28834880256 is an abundant number, since it is smaller than the sum of its proper divisors (83662914384).

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

28834880256 is a wasteful number, since it uses less digits than its factorization.

28834880256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 54.

The spelling of 28834880256 in words is "twenty-eight billion, eight hundred thirty-four million, eight hundred eighty thousand, two hundred fifty-six".