28112285587 has 8 divisors (see below), whose sum is σ = 28383478272. Its totient is φ = 27841249800.

The previous prime is 28112285573. The next prime is 28112285609. The reversal of 28112285587 is 78558221182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28112285587 - 2²³ = 28103896979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28112285587.

It is not an unprimeable number, because it can be changed into a prime (28112285557) 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, 338262 + ... + 413092.

It is an arithmetic number, because the mean of its divisors is an integer number (3547934784).

Almost surely, 2^28112285587 is an apocalyptic number.

28112285587 is a deficient number, since it is larger than the sum of its proper divisors (271192685).

28112285587 is a wasteful number, since it uses less digits than its factorization.

28112285587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78449.

The product of its digits is 716800, while the sum is 49.

The spelling of 28112285587 in words is "twenty-eight billion, one hundred twelve million, two hundred eighty-five thousand, five hundred eighty-seven".