28260833355 has 48 divisors (see below), whose sum is σ = 52877897280. Its totient is φ = 13919963904.

The previous prime is 28260833351. The next prime is 28260833357. The reversal of 28260833355 is 55333806282.

28260833355 is a `hidden beast` number, since 2 + 8 + 2 + 608 + 3 + 3 + 35 + 5 = 666.

It is not a de Polignac number, because 28260833355 - 2² = 28260833351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 28260833355.

It is not an unprimeable number, because it can be changed into a prime (28260833351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 440764 + ... + 500793.

It is an arithmetic number, because the mean of its divisors is an integer number (1101622860).

Almost surely, 2^28260833355 is an apocalyptic number.

28260833355 is a deficient number, since it is larger than the sum of its proper divisors (24617063925).

28260833355 is a wasteful number, since it uses less digits than its factorization.

28260833355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941620 (or 941617 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 28260833355 in words is "twenty-eight billion, two hundred sixty million, eight hundred thirty-three thousand, three hundred fifty-five".