82716716 has 12 divisors (see below), whose sum is σ = 144947880. Its totient is φ = 41303040.

The previous prime is 82716707. The next prime is 82716727. The reversal of 82716716 is 61761728.

It is a self number, because there is not a number n which added to its sum of digits gives 82716716.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10370 + ... + 16521.

It is an arithmetic number, because the mean of its divisors is an integer number (12078990).

Almost surely, 2^82716716 is an apocalyptic number.

It is an amenable number.

82716716 is a deficient number, since it is larger than the sum of its proper divisors (62231164).

82716716 is a wasteful number, since it uses less digits than its factorization.

82716716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27664 (or 27662 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 82716716 is about 9094.8730612362. The cubic root of 82716716 is about 435.7102344769.

The spelling of 82716716 in words is "eighty-two million, seven hundred sixteen thousand, seven hundred sixteen".