28146107587 has 8 divisors (see below), whose sum is σ = 30313345104. Its totient is φ = 25979177568.

The previous prime is 28146107551. The next prime is 28146107719. The reversal of 28146107587 is 78570164182.

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 28146107587 - 2²³ = 28137718979 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 28146107587.

It is not an unprimeable number, because it can be changed into a prime (28146107887) 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, 134853 + ... + 272905.

It is an arithmetic number, because the mean of its divisors is an integer number (3789168138).

Almost surely, 2^28146107587 is an apocalyptic number.

28146107587 is a deficient number, since it is larger than the sum of its proper divisors (2167237517).

28146107587 is a wasteful number, since it uses less digits than its factorization.

28146107587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153749.

The product of its (nonzero) digits is 752640, while the sum is 49.

The spelling of 28146107587 in words is "twenty-eight billion, one hundred forty-six million, one hundred seven thousand, five hundred eighty-seven".