859240879 has 16 divisors (see below), whose sum is σ = 997212160. Its totient is φ = 725112000.

The previous prime is 859240873. The next prime is 859240883. The reversal of 859240879 is 978042958.

It is a cyclic number.

It is not a de Polignac number, because 859240879 - 2¹⁹ = 858716591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859240873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382642 + ... + 384880.

It is an arithmetic number, because the mean of its divisors is an integer number (62325760).

Almost surely, 2^859240879 is an apocalyptic number.

859240879 is a deficient number, since it is larger than the sum of its proper divisors (137971281).

859240879 is a wasteful number, since it uses less digits than its factorization.

859240879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 859240879 is about 29312.8108341728. The cubic root of 859240879 is about 950.6886526620.

The spelling of 859240879 in words is "eight hundred fifty-nine million, two hundred forty thousand, eight hundred seventy-nine".