82831230817 has 2 divisors, whose sum is σ = 82831230818. Its totient is φ = 82831230816.

The previous prime is 82831230793. The next prime is 82831230827. The reversal of 82831230817 is 71803213828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71654723856 + 11176506961 = 267684^2 + 105719^2 .

It is a cyclic number.

It is not a de Polignac number, because 82831230817 - 2¹⁹ = 82830706529 is a prime.

It is a super-2 number, since 2×82831230817² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82831230827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41415615408 + 41415615409.

It is an arithmetic number, because the mean of its divisors is an integer number (41415615409).

Almost surely, 2^82831230817 is an apocalyptic number.

It is an amenable number.

82831230817 is a deficient number, since it is larger than the sum of its proper divisors (1).

82831230817 is an equidigital number, since it uses as much as digits as its factorization.

82831230817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 82831230817 in words is "eighty-two billion, eight hundred thirty-one million, two hundred thirty thousand, eight hundred seventeen".