28514250085 has 16 divisors (see below), whose sum is σ = 35142117120. Its totient is φ = 22198639680.

The previous prime is 28514250073. The next prime is 28514250091. The reversal of 28514250085 is 58005241582.

It is not a de Polignac number, because 28514250085 - 2⁵ = 28514250053 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 186430 + ... + 302959.

It is an arithmetic number, because the mean of its divisors is an integer number (2196382320).

Almost surely, 2^28514250085 is an apocalyptic number.

It is an amenable number.

28514250085 is a deficient number, since it is larger than the sum of its proper divisors (6627867035).

28514250085 is a wasteful number, since it uses less digits than its factorization.

28514250085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489708.

The product of its (nonzero) digits is 128000, while the sum is 40.

The spelling of 28514250085 in words is "twenty-eight billion, five hundred fourteen million, two hundred fifty thousand, eighty-five".