28563065590 has 32 divisors (see below), whose sum is σ = 51587759520. Its totient is φ = 11386560000.

The previous prime is 28563065551. The next prime is 28563065599. The reversal of 28563065590 is 9556036582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28563065599) 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, 5816056 + ... + 5820964.

It is an arithmetic number, because the mean of its divisors is an integer number (1612117485).

Almost surely, 2^28563065590 is an apocalyptic number.

28563065590 is a deficient number, since it is larger than the sum of its proper divisors (23024693930).

28563065590 is a wasteful number, since it uses less digits than its factorization.

28563065590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6768.

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 28563065590 in words is "twenty-eight billion, five hundred sixty-three million, sixty-five thousand, five hundred ninety".