859689480 has 96 divisors (see below), whose sum is σ = 2792784960. Its totient is φ = 211610880.

The previous prime is 859689463. The next prime is 859689539. The reversal of 859689480 is 84986958.

It is a self number, because there is not a number n which added to its sum of digits gives 859689480.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 916 + ... + 41475.

It is an arithmetic number, because the mean of its divisors is an integer number (29091510).

Almost surely, 2^859689480 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 859689480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1396392480).

859689480 is an abundant number, since it is smaller than the sum of its proper divisors (1933095480).

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

859689480 is a wasteful number, since it uses less digits than its factorization.

859689480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42431 (or 42414 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 57.

The square root of 859689480 is about 29320.4617971818. The cubic root of 859689480 is about 950.8540721976.

The spelling of 859689480 in words is "eight hundred fifty-nine million, six hundred eighty-nine thousand, four hundred eighty".