852319915 has 4 divisors (see below), whose sum is σ = 1022783904. Its totient is φ = 681855928.

The previous prime is 852319907. The next prime is 852319957. The reversal of 852319915 is 519913258.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 852319915 - 2³ = 852319907 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85231987 + ... + 85231996.

It is an arithmetic number, because the mean of its divisors is an integer number (255695976).

Almost surely, 2^852319915 is an apocalyptic number.

852319915 is a deficient number, since it is larger than the sum of its proper divisors (170463989).

852319915 is a wasteful number, since it uses less digits than its factorization.

852319915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170463988.

The product of its digits is 97200, while the sum is 43.

The square root of 852319915 is about 29194.5185779797. The cubic root of 852319915 is about 948.1292511166.

The spelling of 852319915 in words is "eight hundred fifty-two million, three hundred nineteen thousand, nine hundred fifteen".