859255488 has 336 divisors, whose sum is σ = 3080633920. Its totient is φ = 224280576.

The previous prime is 859255447. The next prime is 859255517. The reversal of 859255488 is 884552958.

It is a happy number.

859255488 is a `hidden beast` number, since 8 + 5 + 9 + 2 + 554 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8858256 + ... + 8858352.

Almost surely, 2^859255488 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 859255488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1540316960).

859255488 is an abundant number, since it is smaller than the sum of its proper divisors (2221378432).

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

859255488 is a wasteful number, since it uses less digits than its factorization.

859255488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 122 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 54.

The square root of 859255488 is about 29313.0600245010. The cubic root of 859255488 is about 950.6940405697.

The spelling of 859255488 in words is "eight hundred fifty-nine million, two hundred fifty-five thousand, four hundred eighty-eight".