82087418 has 16 divisors (see below), whose sum is σ = 141315840. Its totient is φ = 35031696.

The previous prime is 82087417. The next prime is 82087451. The reversal of 82087418 is 81478028.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82087417) 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, 8921 + ... + 15612.

It is an arithmetic number, because the mean of its divisors is an integer number (8832240).

Almost surely, 2^82087418 is an apocalyptic number.

82087418 is a deficient number, since it is larger than the sum of its proper divisors (59228422).

82087418 is a wasteful number, since it uses less digits than its factorization.

82087418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24781.

The product of its (nonzero) digits is 28672, while the sum is 38.

The square root of 82087418 is about 9060.2107039516. The cubic root of 82087418 is about 434.6024782527.

The spelling of 82087418 in words is "eighty-two million, eighty-seven thousand, four hundred eighteen".