859391466 has 16 divisors (see below), whose sum is σ = 1719832800. Its totient is φ = 286288848.

The previous prime is 859391453. The next prime is 859391473. The reversal of 859391466 is 664193958.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32896 + ... + 52923.

It is an arithmetic number, because the mean of its divisors is an integer number (107489550).

Almost surely, 2^859391466 is an apocalyptic number.

859391466 is an abundant number, since it is smaller than the sum of its proper divisors (860441334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

859391466 is a wasteful number, since it uses less digits than its factorization.

859391466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87493.

The product of its digits is 1399680, while the sum is 51.

The square root of 859391466 is about 29315.3793425908. The cubic root of 859391466 is about 950.7441873373.

The spelling of 859391466 in words is "eight hundred fifty-nine million, three hundred ninety-one thousand, four hundred sixty-six".