28597187537568 has 96 divisors (see below), whose sum is σ = 89824499352000. Its totient is φ = 8799134623488.

The previous prime is 28597187537549. The next prime is 28597187537573. The reversal of 28597187537568 is 86573578179582.

28597187537568 is a `hidden beast` number, since 2 + 8 + 5 + 9 + 7 + 18 + 7 + 5 + 37 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×28597187537568² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1273011718 + ... + 1273034181.

It is an arithmetic number, because the mean of its divisors is an integer number (935671868250).

Almost surely, 2^{28597187537568} is an apocalyptic number.

It is an amenable number.

28597187537568 is an abundant number, since it is smaller than the sum of its proper divisors (61227311814432).

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

28597187537568 is a wasteful number, since it uses less digits than its factorization.

28597187537568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546045931 (or 2546045917 counting only the distinct ones).

The product of its digits is 7112448000, while the sum is 81.

The spelling of 28597187537568 in words is "twenty-eight trillion, five hundred ninety-seven billion, one hundred eighty-seven million, five hundred thirty-seven thousand, five hundred sixty-eight".