82851318 has 96 divisors (see below), whose sum is σ = 207567360. Its totient is φ = 23647680.

The previous prime is 82851311. The next prime is 82851323. The reversal of 82851318 is 81315828.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82851311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269721 + ... + 270027.

It is an arithmetic number, because the mean of its divisors is an integer number (2162160).

Almost surely, 2^82851318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82851318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103783680).

82851318 is an abundant number, since it is smaller than the sum of its proper divisors (124716042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82851318 is a wasteful number, since it uses less digits than its factorization.

82851318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 399 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 82851318 is about 9102.2699366696. The cubic root of 82851318 is about 435.9464450394.

The spelling of 82851318 in words is "eighty-two million, eight hundred fifty-one thousand, three hundred eighteen".