28563640174608 has 1280 divisors, whose sum is σ = 100997823725568. Its totient is φ = 6737043456000.

The previous prime is 28563640174571. The next prime is 28563640174613. The reversal of 28563640174608 is 80647104636582.

It is a happy number.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 33486095910 + ... + 33486096762.

Almost surely, 2^{28563640174608} is an apocalyptic number.

28563640174608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28563640174608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50498911862784).

28563640174608 is an abundant number, since it is smaller than the sum of its proper divisors (72434183550960).

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

28563640174608 is a wasteful number, since it uses less digits than its factorization.

28563640174608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 1158 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 60.

The spelling of 28563640174608 in words is "twenty-eight trillion, five hundred sixty-three billion, six hundred forty million, one hundred seventy-four thousand, six hundred eight".