56787278586 has 8 divisors (see below), whose sum is σ = 113574557184. Its totient is φ = 18929092860.

The previous prime is 56787278579. The next prime is 56787278623. The reversal of 56787278586 is 68587278765.

It is a sphenic number, since it is the product of 3 distinct primes.

56787278586 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 56787278586.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4732273210 + ... + 4732273221.

It is an arithmetic number, because the mean of its divisors is an integer number (14196819648).

Almost surely, 2^56787278586 is an apocalyptic number.

56787278586 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56787278586 is a wasteful number, since it uses less digits than its factorization.

56787278586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9464546436.

The product of its digits is 316108800, while the sum is 69.

The spelling of 56787278586 in words is "fifty-six billion, seven hundred eighty-seven million, two hundred seventy-eight thousand, five hundred eighty-six".