82723427 has 2 divisors, whose sum is σ = 82723428. Its totient is φ = 82723426.

The previous prime is 82723393. The next prime is 82723429. The reversal of 82723427 is 72432728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82723427 - 2⁸ = 82723171 is a prime.

Together with 82723429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82723429) 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 as a sum of consecutive naturals, namely, 41361713 + 41361714.

It is an arithmetic number, because the mean of its divisors is an integer number (41361714).

Almost surely, 2^82723427 is an apocalyptic number.

82723427 is a deficient number, since it is larger than the sum of its proper divisors (1).

82723427 is an equidigital number, since it uses as much as digits as its factorization.

82723427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 35.

The square root of 82723427 is about 9095.2419978800. The cubic root of 82723427 is about 435.7220175539.

The spelling of 82723427 in words is "eighty-two million, seven hundred twenty-three thousand, four hundred twenty-seven".