82868094499873 has 2 divisors, whose sum is σ = 82868094499874. Its totient is φ = 82868094499872.

The previous prime is 82868094499829. The next prime is 82868094499943. The reversal of 82868094499873 is 37899449086828.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59158372336704 + 23709722163169 = 7691448^2 + 4869263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82868094499873 is a prime.

It is a super-2 number, since 2×82868094499873² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82868094494873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41434047249936 + 41434047249937.

It is an arithmetic number, because the mean of its divisors is an integer number (41434047249937).

Almost surely, 2^{82868094499873} is an apocalyptic number.

It is an amenable number.

82868094499873 is a deficient number, since it is larger than the sum of its proper divisors (1).

82868094499873 is an equidigital number, since it uses as much as digits as its factorization.

82868094499873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12039487488, while the sum is 85.

The spelling of 82868094499873 in words is "eighty-two trillion, eight hundred sixty-eight billion, ninety-four million, four hundred ninety-nine thousand, eight hundred seventy-three".