82623911 has 2 divisors, whose sum is σ = 82623912. Its totient is φ = 82623910.

The previous prime is 82623901. The next prime is 82623971. The reversal of 82623911 is 11932628.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82623911 - 2⁶ = 82623847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82623901) 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 as a sum of consecutive naturals, namely, 41311955 + 41311956.

It is an arithmetic number, because the mean of its divisors is an integer number (41311956).

Almost surely, 2^82623911 is an apocalyptic number.

82623911 is a deficient number, since it is larger than the sum of its proper divisors (1).

82623911 is an equidigital number, since it uses as much as digits as its factorization.

82623911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 32.

The square root of 82623911 is about 9089.7695790377. The cubic root of 82623911 is about 435.5472234102.

The spelling of 82623911 in words is "eighty-two million, six hundred twenty-three thousand, nine hundred eleven".