852991219 has 8 divisors (see below), whose sum is σ = 863298000. Its totient is φ = 842700672.

The previous prime is 852991193. The next prime is 852991259. The reversal of 852991219 is 912199258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 852991219 - 2⁷ = 852991091 is a prime.

It is a super-2 number, since 2×852991219² = 1455188039382211922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852991259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126567 + ... + 133135.

It is an arithmetic number, because the mean of its divisors is an integer number (107912250).

Almost surely, 2^852991219 is an apocalyptic number.

852991219 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

852991219 is a deficient number, since it is larger than the sum of its proper divisors (10306781).

852991219 is a wasteful number, since it uses less digits than its factorization.

852991219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8117.

The product of its digits is 116640, while the sum is 46.

The square root of 852991219 is about 29206.0134047768. The cubic root of 852991219 is about 948.3781075684.

The spelling of 852991219 in words is "eight hundred fifty-two million, nine hundred ninety-one thousand, two hundred nineteen".