28908833355 has 96 divisors (see below), whose sum is σ = 53448345600. Its totient is φ = 14413158144.

The previous prime is 28908833339. The next prime is 28908833399. The reversal of 28908833355 is 55333880982.

28908833355 is a `hidden beast` number, since 289 + 0 + 8 + 8 + 3 + 3 + 355 = 666.

It is not a de Polignac number, because 28908833355 - 2⁴ = 28908833339 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40773741 + ... + 40774449.

It is an arithmetic number, because the mean of its divisors is an integer number (556753600).

Almost surely, 2^28908833355 is an apocalyptic number.

28908833355 is a deficient number, since it is larger than the sum of its proper divisors (24539512245).

28908833355 is a wasteful number, since it uses less digits than its factorization.

28908833355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 28908833355 in words is "twenty-eight billion, nine hundred eight million, eight hundred thirty-three thousand, three hundred fifty-five".