82823693 has 2 divisors, whose sum is σ = 82823694. Its totient is φ = 82823692.

The previous prime is 82823687. The next prime is 82823707. The reversal of 82823693 is 39632828.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73324969 + 9498724 = 8563^2 + 3082^2 .

It is a cyclic number.

It is not a de Polignac number, because 82823693 - 2¹⁶ = 82758157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 82823693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82823393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41411846 + 41411847.

It is an arithmetic number, because the mean of its divisors is an integer number (41411847).

Almost surely, 2^82823693 is an apocalyptic number.

It is an amenable number.

82823693 is a deficient number, since it is larger than the sum of its proper divisors (1).

82823693 is an equidigital number, since it uses as much as digits as its factorization.

82823693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 82823693 is about 9100.7523315383. The cubic root of 82823693 is about 435.8979873139.

The spelling of 82823693 in words is "eighty-two million, eight hundred twenty-three thousand, six hundred ninety-three".