82626817 has 16 divisors (see below), whose sum is σ = 107678592. Its totient is φ = 61528320.

The previous prime is 82626769. The next prime is 82626821. The reversal of 82626817 is 71862628.

It is not a de Polignac number, because 82626817 - 2⁷ = 82626689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82626817.

It is not an unprimeable number, because it can be changed into a prime (82626827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25159 + ... + 28252.

It is an arithmetic number, because the mean of its divisors is an integer number (6729912).

Almost surely, 2^82626817 is an apocalyptic number.

It is an amenable number.

82626817 is a deficient number, since it is larger than the sum of its proper divisors (25051775).

82626817 is a wasteful number, since it uses less digits than its factorization.

82626817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53448.

The product of its digits is 64512, while the sum is 40.

The square root of 82626817 is about 9089.9294276688. The cubic root of 82626817 is about 435.5523296213.

The spelling of 82626817 in words is "eighty-two million, six hundred twenty-six thousand, eight hundred seventeen".