28563196983 has 32 divisors (see below), whose sum is σ = 42039340800. Its totient is φ = 17179174656.

The previous prime is 28563196951. The next prime is 28563197009. The reversal of 28563196983 is 38969136582.

It is not a de Polignac number, because 28563196983 - 2⁵ = 28563196951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28563196903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2316 + ... + 239022.

It is an arithmetic number, because the mean of its divisors is an integer number (1313729400).

Almost surely, 2^28563196983 is an apocalyptic number.

28563196983 is a deficient number, since it is larger than the sum of its proper divisors (13476143817).

28563196983 is a wasteful number, since it uses less digits than its factorization.

28563196983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236831.

The product of its digits is 16796160, while the sum is 60.

The spelling of 28563196983 in words is "twenty-eight billion, five hundred sixty-three million, one hundred ninety-six thousand, nine hundred eighty-three".