28102858355 has 64 divisors (see below), whose sum is σ = 42358837248. Its totient is φ = 17583298560.

The previous prime is 28102858351. The next prime is 28102858369. The reversal of 28102858355 is 55385820182.

It is not a de Polignac number, because 28102858355 - 2² = 28102858351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28102858351) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1240742 + ... + 1263188.

It is an arithmetic number, because the mean of its divisors is an integer number (661856832).

Almost surely, 2^28102858355 is an apocalyptic number.

28102858355 is a deficient number, since it is larger than the sum of its proper divisors (14255978893).

28102858355 is a wasteful number, since it uses less digits than its factorization.

28102858355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22596.

The product of its (nonzero) digits is 768000, while the sum is 47.

The spelling of 28102858355 in words is "twenty-eight billion, one hundred two million, eight hundred fifty-eight thousand, three hundred fifty-five".