82694476873 has 2 divisors, whose sum is σ = 82694476874. Its totient is φ = 82694476872.

The previous prime is 82694476871. The next prime is 82694476883. The reversal of 82694476873 is 37867449628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56680657929 + 26013818944 = 238077^2 + 161288^2 .

It is a cyclic number.

It is not a de Polignac number, because 82694476873 - 2¹ = 82694476871 is a prime.

Together with 82694476871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (82694476871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41347238436 + 41347238437.

It is an arithmetic number, because the mean of its divisors is an integer number (41347238437).

Almost surely, 2^82694476873 is an apocalyptic number.

It is an amenable number.

82694476873 is a deficient number, since it is larger than the sum of its proper divisors (1).

82694476873 is an equidigital number, since it uses as much as digits as its factorization.

82694476873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97542144, while the sum is 64.

The spelling of 82694476873 in words is "eighty-two billion, six hundred ninety-four million, four hundred seventy-six thousand, eight hundred seventy-three".