82280713 has 4 divisors (see below), whose sum is σ = 82304208. Its totient is φ = 82257220.

The previous prime is 82280687. The next prime is 82280797. The reversal of 82280713 is 31708228.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82280713 - 2⁹ = 82280201 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82280213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5323 + ... + 13888.

It is an arithmetic number, because the mean of its divisors is an integer number (20576052).

Almost surely, 2^82280713 is an apocalyptic number.

It is an amenable number.

82280713 is a deficient number, since it is larger than the sum of its proper divisors (23495).

82280713 is a wasteful number, since it uses less digits than its factorization.

82280713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23494.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 82280713 is about 9070.8716780693. The cubic root of 82280713 is about 434.9433369626.

The spelling of 82280713 in words is "eighty-two million, two hundred eighty thousand, seven hundred thirteen".