82986717 has 16 divisors (see below), whose sum is σ = 122411520. Its totient is φ = 49585200.

The previous prime is 82986713. The next prime is 82986749. The reversal of 82986717 is 71768928.

It is not a de Polignac number, because 82986717 - 2² = 82986713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82986713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15367 + ... + 20052.

It is an arithmetic number, because the mean of its divisors is an integer number (7650720).

Almost surely, 2^82986717 is an apocalyptic number.

It is an amenable number.

82986717 is a deficient number, since it is larger than the sum of its proper divisors (39424803).

82986717 is a wasteful number, since it uses less digits than its factorization.

82986717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35504.

The product of its digits is 338688, while the sum is 48.

The square root of 82986717 is about 9109.7045506427. The cubic root of 82986717 is about 436.1837962716.

The spelling of 82986717 in words is "eighty-two million, nine hundred eighty-six thousand, seven hundred seventeen".