82747323 has 12 divisors (see below), whose sum is σ = 121550520. Its totient is φ = 54229536.

The previous prime is 82747319. The next prime is 82747333. The reversal of 82747323 is 32374728.

It is not a de Polignac number, because 82747323 - 2² = 82747319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82747333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77386 + ... + 78447.

It is an arithmetic number, because the mean of its divisors is an integer number (10129210).

Almost surely, 2^82747323 is an apocalyptic number.

82747323 is a deficient number, since it is larger than the sum of its proper divisors (38803197).

82747323 is a wasteful number, since it uses less digits than its factorization.

82747323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155898 (or 155895 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 82747323 is about 9096.5555569127. Note that the first 5 decimals coincide. The cubic root of 82747323 is about 435.7639686324.

The spelling of 82747323 in words is "eighty-two million, seven hundred forty-seven thousand, three hundred twenty-three".