82869136859 has 2 divisors, whose sum is σ = 82869136860. Its totient is φ = 82869136858.

The previous prime is 82869136793. The next prime is 82869136993. The reversal of 82869136859 is 95863196828.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82869136859 is a prime.

It is a super-3 number, since 3×82869136859³ (a number of 34 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 82869136795 and 82869136804.

It is not a weakly prime, because it can be changed into another prime (82869166859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41434568429 + 41434568430.

It is an arithmetic number, because the mean of its divisors is an integer number (41434568430).

Almost surely, 2^82869136859 is an apocalyptic number.

82869136859 is a deficient number, since it is larger than the sum of its proper divisors (1).

82869136859 is an equidigital number, since it uses as much as digits as its factorization.

82869136859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44789760, while the sum is 65.

The spelling of 82869136859 in words is "eighty-two billion, eight hundred sixty-nine million, one hundred thirty-six thousand, eight hundred fifty-nine".