82669603673 has 2 divisors, whose sum is σ = 82669603674. Its totient is φ = 82669603672.

The previous prime is 82669603663. The next prime is 82669603697. The reversal of 82669603673 is 37630696628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55395741769 + 27273861904 = 235363^2 + 165148^2 .

It is a cyclic number.

It is not a de Polignac number, because 82669603673 - 2⁶ = 82669603609 is a prime.

It is not a weakly prime, because it can be changed into another prime (82669603663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41334801836 + 41334801837.

It is an arithmetic number, because the mean of its divisors is an integer number (41334801837).

Almost surely, 2^82669603673 is an apocalyptic number.

It is an amenable number.

82669603673 is a deficient number, since it is larger than the sum of its proper divisors (1).

82669603673 is an equidigital number, since it uses as much as digits as its factorization.

82669603673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11757312, while the sum is 56.

The spelling of 82669603673 in words is "eighty-two billion, six hundred sixty-nine million, six hundred three thousand, six hundred seventy-three".