82118383 has 8 divisors (see below), whose sum is σ = 84882960. Its totient is φ = 79399680.

The previous prime is 82118371. The next prime is 82118389. The reversal of 82118383 is 38381128.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82118383 is a prime.

It is a super-3 number, since 3×82118383³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82118389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7810 + ... + 15007.

It is an arithmetic number, because the mean of its divisors is an integer number (10610370).

Almost surely, 2^82118383 is an apocalyptic number.

82118383 is a deficient number, since it is larger than the sum of its proper divisors (2764577).

82118383 is a wasteful number, since it uses less digits than its factorization.

82118383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22937.

The product of its digits is 9216, while the sum is 34.

The square root of 82118383 is about 9061.9193882974. The cubic root of 82118383 is about 434.6571182705.

The spelling of 82118383 in words is "eighty-two million, one hundred eighteen thousand, three hundred eighty-three".