56839705087 has 8 divisors (see below), whose sum is σ = 62013146112. Its totient is φ = 51667296600.

The previous prime is 56839705067. The next prime is 56839705103. The reversal of 56839705087 is 78050793865.

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

It is a cyclic number.

It is not a de Polignac number, because 56839705087 - 2⁷ = 56839704959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56839705067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140703 + ... + 365344.

It is an arithmetic number, because the mean of its divisors is an integer number (7751643264).

Almost surely, 2^56839705087 is an apocalyptic number.

56839705087 is a deficient number, since it is larger than the sum of its proper divisors (5173441025).

56839705087 is a wasteful number, since it uses less digits than its factorization.

56839705087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516269.

The product of its (nonzero) digits is 12700800, while the sum is 58.

The spelling of 56839705087 in words is "fifty-six billion, eight hundred thirty-nine million, seven hundred five thousand, eighty-seven".