56859187699 has 4 divisors (see below), whose sum is σ = 56943674536. Its totient is φ = 56774700864.

The previous prime is 56859187663. The next prime is 56859187709. The reversal of 56859187699 is 99678195865.

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 56859187699 - 2¹¹ = 56859185651 is a prime.

It is a super-2 number, since 2×56859187699² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56859197699) 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, 42242409 + ... + 42243754.

It is an arithmetic number, because the mean of its divisors is an integer number (14235918634).

Almost surely, 2^56859187699 is an apocalyptic number.

56859187699 is a deficient number, since it is larger than the sum of its proper divisors (84486837).

56859187699 is an equidigital number, since it uses as much as digits as its factorization.

56859187699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84486836.

The product of its digits is 293932800, while the sum is 73.

The spelling of 56859187699 in words is "fifty-six billion, eight hundred fifty-nine million, one hundred eighty-seven thousand, six hundred ninety-nine".