28158523014 has 16 divisors (see below), whose sum is σ = 56327316480. Its totient is φ = 9384462600.

The previous prime is 28158523009. The next prime is 28158523033. The reversal of 28158523014 is 41032585182.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392062 + ... + 458289.

It is an arithmetic number, because the mean of its divisors is an integer number (3520457280).

Almost surely, 2^28158523014 is an apocalyptic number.

28158523014 is an abundant number, since it is smaller than the sum of its proper divisors (28168793466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28158523014 is a wasteful number, since it uses less digits than its factorization.

28158523014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855875.

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 28158523014 in words is "twenty-eight billion, one hundred fifty-eight million, five hundred twenty-three thousand, fourteen".