807859 has 4 divisors (see below), whose sum is σ = 870016. Its totient is φ = 745704.

The previous prime is 807817. The next prime is 807869. The reversal of 807859 is 958708.

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 807859 - 2⁷ = 807731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (807809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31059 + ... + 31084.

It is an arithmetic number, because the mean of its divisors is an integer number (217504).

2⁸⁰⁷⁸⁵⁹ is an apocalyptic number.

807859 is a deficient number, since it is larger than the sum of its proper divisors (62157).

807859 is a wasteful number, since it uses less digits than its factorization.

807859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62156.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 807859 is about 898.8097685272. The cubic root of 807859 is about 93.1347720328.

The spelling of 807859 in words is "eight hundred seven thousand, eight hundred fifty-nine".