28574208089 has 4 divisors (see below), whose sum is σ = 32656237824. Its totient is φ = 24492178356.

The previous prime is 28574208071. The next prime is 28574208097. The reversal of 28574208089 is 98080247582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28574208089 - 2⁸ = 28574207833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28574208089.

It is not an unprimeable number, because it can be changed into a prime (28574208059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2041014857 + ... + 2041014870.

It is an arithmetic number, because the mean of its divisors is an integer number (8164059456).

Almost surely, 2^28574208089 is an apocalyptic number.

It is an amenable number.

28574208089 is a deficient number, since it is larger than the sum of its proper divisors (4082029735).

28574208089 is an equidigital number, since it uses as much as digits as its factorization.

28574208089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082029734.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 28574208089 in words is "twenty-eight billion, five hundred seventy-four million, two hundred eight thousand, eighty-nine".