28487530158 has 16 divisors (see below), whose sum is σ = 57013810176. Its totient is φ = 9489385080.

The previous prime is 28487530153. The next prime is 28487530217. The reversal of 28487530158 is 85103578482.

It is a self number, because there is not a number n which added to its sum of digits gives 28487530158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28487530153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1605016 + ... + 1622667.

It is an arithmetic number, because the mean of its divisors is an integer number (3563363136).

Almost surely, 2^28487530158 is an apocalyptic number.

28487530158 is an abundant number, since it is smaller than the sum of its proper divisors (28526280018).

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

28487530158 is a wasteful number, since it uses less digits than its factorization.

28487530158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229159.

The product of its (nonzero) digits is 2150400, while the sum is 51.

The spelling of 28487530158 in words is "twenty-eight billion, four hundred eighty-seven million, five hundred thirty thousand, one hundred fifty-eight".