82716747 has 16 divisors (see below), whose sum is σ = 122924160. Its totient is φ = 49168512.

The previous prime is 82716737. The next prime is 82716779. The reversal of 82716747 is 74761728.

It is not a de Polignac number, because 82716747 - 2⁴ = 82716731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82716699 and 82716708.

It is not an unprimeable number, because it can be changed into a prime (82716707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41713 + ... + 43650.

It is an arithmetic number, because the mean of its divisors is an integer number (7682760).

Almost surely, 2^82716747 is an apocalyptic number.

82716747 is a deficient number, since it is larger than the sum of its proper divisors (40207413).

82716747 is a wasteful number, since it uses less digits than its factorization.

82716747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85402.

The product of its digits is 131712, while the sum is 42.

The square root of 82716747 is about 9094.8747654929. The cubic root of 82716747 is about 435.7102889077.

The spelling of 82716747 in words is "eighty-two million, seven hundred sixteen thousand, seven hundred forty-seven".