28513346158 has 16 divisors (see below), whose sum is σ = 47120168880. Its totient is φ = 12832288000.

The previous prime is 28513346137. The next prime is 28513346221. The reversal of 28513346158 is 85164331582.

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, 6413923 + ... + 6418366.

It is an arithmetic number, because the mean of its divisors is an integer number (2945010555).

Almost surely, 2^28513346158 is an apocalyptic number.

28513346158 is a deficient number, since it is larger than the sum of its proper divisors (18606822722).

28513346158 is a wasteful number, since it uses less digits than its factorization.

28513346158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12832403.

The product of its digits is 691200, while the sum is 46.

The spelling of 28513346158 in words is "twenty-eight billion, five hundred thirteen million, three hundred forty-six thousand, one hundred fifty-eight".