82668743 has 2 divisors, whose sum is σ = 82668744. Its totient is φ = 82668742.

The previous prime is 82668713. The next prime is 82668769. The reversal of 82668743 is 34786628.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82668743 - 2²⁰ = 81620167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82668694 and 82668703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82668713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41334371 + 41334372.

It is an arithmetic number, because the mean of its divisors is an integer number (41334372).

Almost surely, 2^82668743 is an apocalyptic number.

82668743 is a deficient number, since it is larger than the sum of its proper divisors (1).

82668743 is an equidigital number, since it uses as much as digits as its factorization.

82668743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 44.

The square root of 82668743 is about 9092.2353137169. The cubic root of 82668743 is about 435.6259856080.

The spelling of 82668743 in words is "eighty-two million, six hundred sixty-eight thousand, seven hundred forty-three".