5636786857 has 32 divisors (see below), whose sum is σ = 6295387392. Its totient is φ = 5014773504.

The previous prime is 5636786821. The next prime is 5636786873. The reversal of 5636786857 is 7586876365.

It is not a de Polignac number, because 5636786857 - 2¹⁵ = 5636754089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5636786795 and 5636786804.

It is not an unprimeable number, because it can be changed into a prime (5636786957) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 11574268 + ... + 11574754.

It is an arithmetic number, because the mean of its divisors is an integer number (196730856).

Almost surely, 2^5636786857 is an apocalyptic number.

It is an amenable number.

5636786857 is a deficient number, since it is larger than the sum of its proper divisors (658600535).

5636786857 is a wasteful number, since it uses less digits than its factorization.

5636786857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817.

The product of its digits is 50803200, while the sum is 61.

The square root of 5636786857 is about 75078.5379252953. The cubic root of 5636786857 is about 1779.6879957496.

The spelling of 5636786857 in words is "five billion, six hundred thirty-six million, seven hundred eighty-six thousand, eight hundred fifty-seven".