852856715 has 4 divisors (see below), whose sum is σ = 1023428064. Its totient is φ = 682285368.

The previous prime is 852856687. The next prime is 852856723. The reversal of 852856715 is 517658258.

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 852856715 - 2¹⁰ = 852855691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 852856715.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85285667 + ... + 85285676.

It is an arithmetic number, because the mean of its divisors is an integer number (255857016).

Almost surely, 2^852856715 is an apocalyptic number.

852856715 is a deficient number, since it is larger than the sum of its proper divisors (170571349).

852856715 is a wasteful number, since it uses less digits than its factorization.

852856715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170571348.

The product of its digits is 672000, while the sum is 47.

The square root of 852856715 is about 29203.7106375200. The cubic root of 852856715 is about 948.3282565846.

The spelling of 852856715 in words is "eight hundred fifty-two million, eight hundred fifty-six thousand, seven hundred fifteen".