82118333 has 4 divisors (see below), whose sum is σ = 89583648. Its totient is φ = 74653020.

The previous prime is 82118329. The next prime is 82118363. The reversal of 82118333 is 33381128.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82118333 - 2² = 82118329 is a prime.

It is a super-2 number, since 2×82118333² = 13486841229397778, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82118296 and 82118305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82118363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3732641 + ... + 3732662.

It is an arithmetic number, because the mean of its divisors is an integer number (22395912).

Almost surely, 2^82118333 is an apocalyptic number.

It is an amenable number.

82118333 is a deficient number, since it is larger than the sum of its proper divisors (7465315).

82118333 is a wasteful number, since it uses less digits than its factorization.

82118333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7465314.

The product of its digits is 3456, while the sum is 29.

The square root of 82118333 is about 9061.9166294995. The cubic root of 82118333 is about 434.6570300529.

The spelling of 82118333 in words is "eighty-two million, one hundred eighteen thousand, three hundred thirty-three".