852819915 has 32 divisors (see below), whose sum is σ = 1381625856. Its totient is φ = 449159040.

The previous prime is 852819911. The next prime is 852819923. The reversal of 852819915 is 519918258.

It is not a de Polignac number, because 852819915 - 2² = 852819911 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (852819911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 860070 + ... + 861060.

It is an arithmetic number, because the mean of its divisors is an integer number (43175808).

Almost surely, 2^852819915 is an apocalyptic number.

852819915 is a deficient number, since it is larger than the sum of its proper divisors (528805941).

852819915 is a wasteful number, since it uses less digits than its factorization.

852819915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659.

The product of its digits is 259200, while the sum is 48.

The square root of 852819915 is about 29203.0805738025. The cubic root of 852819915 is about 948.3146165514.

The spelling of 852819915 in words is "eight hundred fifty-two million, eight hundred nineteen thousand, nine hundred fifteen".