82623899 has 2 divisors, whose sum is σ = 82623900. Its totient is φ = 82623898.

The previous prime is 82623883. The next prime is 82623901. The reversal of 82623899 is 99832628.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82623899 - 2⁴ = 82623883 is a prime.

Together with 82623901, 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 (82623839) 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, 41311949 + 41311950.

It is an arithmetic number, because the mean of its divisors is an integer number (41311950).

Almost surely, 2^82623899 is an apocalyptic number.

82623899 is a deficient number, since it is larger than the sum of its proper divisors (1).

82623899 is an equidigital number, since it uses as much as digits as its factorization.

82623899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 47.

The square root of 82623899 is about 9089.7689189550. The cubic root of 82623899 is about 435.5472023244.

The spelling of 82623899 in words is "eighty-two million, six hundred twenty-three thousand, eight hundred ninety-nine".