859797512 has 36 divisors (see below), whose sum is σ = 1876590765. Its totient is φ = 368235840.

The previous prime is 859797503. The next prime is 859797529. The reversal of 859797512 is 215797958.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

859797512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 855328516 + 4468996 = 29246^2 + 2114^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=20734.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 579812 + ... + 581292.

Almost surely, 2^859797512 is an apocalyptic number.

It is an amenable number.

859797512 is an abundant number, since it is smaller than the sum of its proper divisors (1016793253).

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

859797512 is an equidigital number, since it uses as much as digits as its factorization.

859797512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982 (or 1490 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 53.

The square root of 859797512 is about 29322.3040022438. The cubic root of 859797512 is about 950.8938998978.

The spelling of 859797512 in words is "eight hundred fifty-nine million, seven hundred ninety-seven thousand, five hundred twelve".