56328887063987 has 4 divisors (see below), whose sum is σ = 56564572784160. Its totient is φ = 56093201343816.

The previous prime is 56328887063947. The next prime is 56328887063993. The reversal of 56328887063987 is 78936078882365.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56328887063987 - 2²⁴ = 56328870286771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56328887063947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117842859728 + ... + 117842860205.

It is an arithmetic number, because the mean of its divisors is an integer number (14141143196040).

Almost surely, 2^{56328887063987} is an apocalyptic number.

56328887063987 is a deficient number, since it is larger than the sum of its proper divisors (235685720173).

56328887063987 is a wasteful number, since it uses less digits than its factorization.

56328887063987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235685720172.

The product of its (nonzero) digits is 5852528640, while the sum is 80.

The spelling of 56328887063987 in words is "fifty-six trillion, three hundred twenty-eight billion, eight hundred eighty-seven million, sixty-three thousand, nine hundred eighty-seven".