852989847 has 8 divisors (see below), whose sum is σ = 1176537840. Its totient is φ = 549050880.

The previous prime is 852989843. The next prime is 852989867. The reversal of 852989847 is 748989258.

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

It is not a de Polignac number, because 852989847 - 2² = 852989843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852989843) 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, 4902154 + ... + 4902327.

It is an arithmetic number, because the mean of its divisors is an integer number (147067230).

Almost surely, 2^852989847 is an apocalyptic number.

852989847 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

852989847 is a deficient number, since it is larger than the sum of its proper divisors (323547993).

852989847 is a wasteful number, since it uses less digits than its factorization.

852989847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9804513.

The product of its digits is 11612160, while the sum is 60.

The square root of 852989847 is about 29205.9899164538. The cubic root of 852989847 is about 948.3775990929.

The spelling of 852989847 in words is "eight hundred fifty-two million, nine hundred eighty-nine thousand, eight hundred forty-seven".