859432448 has 80 divisors (see below), whose sum is σ = 2015850144. Its totient is φ = 358318080.

The previous prime is 859432439. The next prime is 859432481. The reversal of 859432448 is 844234958.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129368 + ... + 135848.

Almost surely, 2^859432448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 859432448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1007925072).

859432448 is an abundant number, since it is smaller than the sum of its proper divisors (1156417696).

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

859432448 is an equidigital number, since it uses as much as digits as its factorization.

859432448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6543 (or 6527 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The square root of 859432448 is about 29316.0783189021. The cubic root of 859432448 is about 950.7592998832.

The spelling of 859432448 in words is "eight hundred fifty-nine million, four hundred thirty-two thousand, four hundred forty-eight".