82118384 has 20 divisors (see below), whose sum is σ = 159513600. Its totient is φ = 40953600.

The previous prime is 82118371. The next prime is 82118389. The reversal of 82118384 is 48381128.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 17 + ... + 12815.

It is an arithmetic number, because the mean of its divisors is an integer number (7975680).

Almost surely, 2^82118384 is an apocalyptic number.

It is an amenable number.

82118384 is a deficient number, since it is larger than the sum of its proper divisors (77395216).

82118384 is a wasteful number, since it uses less digits than its factorization.

82118384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13208 (or 13202 counting only the distinct ones).

The product of its digits is 12288, while the sum is 35.

The square root of 82118384 is about 9061.9194434733. The cubic root of 82118384 is about 434.6571200349.

The spelling of 82118384 in words is "eighty-two million, one hundred eighteen thousand, three hundred eighty-four".