852597818 has 4 divisors (see below), whose sum is σ = 1278896730. Its totient is φ = 426298908.

The previous prime is 852597799. The next prime is 852597841. The reversal of 852597818 is 818795258.

852597818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 847566769 + 5031049 = 29113^2 + 2243^2 .

It is a super-2 number, since 2×852597818² = 1453846078516722248, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 852597818.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213149453 + ... + 213149456.

Almost surely, 2^852597818 is an apocalyptic number.

852597818 is a deficient number, since it is larger than the sum of its proper divisors (426298912).

852597818 is a wasteful number, since it uses less digits than its factorization.

852597818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426298911.

The product of its digits is 1612800, while the sum is 53.

The square root of 852597818 is about 29199.2776965459. The cubic root of 852597818 is about 948.2322872836.

The spelling of 852597818 in words is "eight hundred fifty-two million, five hundred ninety-seven thousand, eight hundred eighteen".