28255500355 has 8 divisors (see below), whose sum is σ = 33907766112. Its totient is φ = 22603623168.

The previous prime is 28255500353. The next prime is 28255500367. The reversal of 28255500355 is 55300555282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28255500355 - 2¹ = 28255500353 is a prime.

It is a super-2 number, since 2×28255500355² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28255500353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98754 + ... + 257416.

It is an arithmetic number, because the mean of its divisors is an integer number (4238470764).

Almost surely, 2^28255500355 is an apocalyptic number.

28255500355 is a deficient number, since it is larger than the sum of its proper divisors (5652265757).

28255500355 is a wasteful number, since it uses less digits than its factorization.

28255500355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194285.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 28255500355 in words is "twenty-eight billion, two hundred fifty-five million, five hundred thousand, three hundred fifty-five".