28875903158 has 16 divisors (see below), whose sum is σ = 43713977616. Its totient is φ = 14304675840.

The previous prime is 28875903107. The next prime is 28875903167. The reversal of 28875903158 is 85130957882.

It is a happy 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, 598973 + ... + 645383.

It is an arithmetic number, because the mean of its divisors is an integer number (2732123601).

Almost surely, 2^28875903158 is an apocalyptic number.

28875903158 is a deficient number, since it is larger than the sum of its proper divisors (14838074458).

28875903158 is a wasteful number, since it uses less digits than its factorization.

28875903158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49279.

The product of its (nonzero) digits is 4838400, while the sum is 56.

The spelling of 28875903158 in words is "twenty-eight billion, eight hundred seventy-five million, nine hundred three thousand, one hundred fifty-eight".