82728367 has 8 divisors (see below), whose sum is σ = 85709952. Its totient is φ = 79766400.

The previous prime is 82728361. The next prime is 82728391. The reversal of 82728367 is 76382728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82728367 - 2¹⁹ = 82204079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82728361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3963 + ... + 13459.

It is an arithmetic number, because the mean of its divisors is an integer number (10713744).

Almost surely, 2^82728367 is an apocalyptic number.

82728367 is a deficient number, since it is larger than the sum of its proper divisors (2981585).

82728367 is a wasteful number, since it uses less digits than its factorization.

82728367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9809.

The product of its digits is 225792, while the sum is 43.

The square root of 82728367 is about 9095.5135643899. The cubic root of 82728367 is about 435.7306907275.

The spelling of 82728367 in words is "eighty-two million, seven hundred twenty-eight thousand, three hundred sixty-seven".