28566087783 has 16 divisors (see below), whose sum is σ = 38616633600. Its totient is φ = 18779891904.

The previous prime is 28566087733. The next prime is 28566087821. The reversal of 28566087783 is 38778066582.

It is not a de Polignac number, because 28566087783 - 2⁸ = 28566087527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28566087733) 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, 2490660 + ... + 2502102.

It is an arithmetic number, because the mean of its divisors is an integer number (2413539600).

Almost surely, 2^28566087783 is an apocalyptic number.

28566087783 is a deficient number, since it is larger than the sum of its proper divisors (10050545817).

28566087783 is a wasteful number, since it uses less digits than its factorization.

28566087783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22918.

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 28566087783 in words is "twenty-eight billion, five hundred sixty-six million, eighty-seven thousand, seven hundred eighty-three".