28563196984 has 16 divisors (see below), whose sum is σ = 61206850800. Its totient is φ = 12241370112.

The previous prime is 28563196951. The next prime is 28563197009. The reversal of 28563196984 is 48969136582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255028489 + ... + 255028600.

It is an arithmetic number, because the mean of its divisors is an integer number (3825428175).

Almost surely, 2^28563196984 is an apocalyptic number.

It is an amenable number.

28563196984 is an abundant number, since it is smaller than the sum of its proper divisors (32643653816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28563196984 is a wasteful number, since it uses less digits than its factorization.

28563196984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510057102 (or 510057098 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 61.

The spelling of 28563196984 in words is "twenty-eight billion, five hundred sixty-three million, one hundred ninety-six thousand, nine hundred eighty-four".