28587158603 has 16 divisors (see below), whose sum is σ = 29583908640. Its totient is φ = 27607996416.

The previous prime is 28587158591. The next prime is 28587158609. The reversal of 28587158603 is 30685178582.

It is not a de Polignac number, because 28587158603 - 2²² = 28582964299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28587158609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6663083 + ... + 6667371.

It is an arithmetic number, because the mean of its divisors is an integer number (1848994290).

Almost surely, 2^28587158603 is an apocalyptic number.

28587158603 is a deficient number, since it is larger than the sum of its proper divisors (996750037).

28587158603 is a wasteful number, since it uses less digits than its factorization.

28587158603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6286.

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 28587158603 in words is "twenty-eight billion, five hundred eighty-seven million, one hundred fifty-eight thousand, six hundred three".