859488863 has 32 divisors (see below), whose sum is σ = 969978240. Its totient is φ = 758517760.

The previous prime is 859488809. The next prime is 859488869. The reversal of 859488863 is 368884958.

It is a cyclic number.

It is not a de Polignac number, because 859488863 - 2¹² = 859484767 is a prime.

It is a super-2 number, since 2×859488863² = 1477442211242065538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859488869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1449095 + ... + 1449687.

It is an arithmetic number, because the mean of its divisors is an integer number (30311820).

Almost surely, 2^859488863 is an apocalyptic number.

859488863 is a deficient number, since it is larger than the sum of its proper divisors (110489377).

859488863 is a wasteful number, since it uses less digits than its factorization.

859488863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739.

The product of its digits is 13271040, while the sum is 59.

The square root of 859488863 is about 29317.0404884258. The cubic root of 859488863 is about 950.7801027252.

The spelling of 859488863 in words is "eight hundred fifty-nine million, four hundred eighty-eight thousand, eight hundred sixty-three".