82708449851 has 2 divisors, whose sum is σ = 82708449852. Its totient is φ = 82708449850.

The previous prime is 82708449767. The next prime is 82708449913. The reversal of 82708449851 is 15894480728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82708449851 - 2¹⁰ = 82708448827 is a prime.

It is not a weakly prime, because it can be changed into another prime (82708449751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41354224925 + 41354224926.

It is an arithmetic number, because the mean of its divisors is an integer number (41354224926).

Almost surely, 2^82708449851 is an apocalyptic number.

82708449851 is a deficient number, since it is larger than the sum of its proper divisors (1).

82708449851 is an equidigital number, since it uses as much as digits as its factorization.

82708449851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 82708449851 in words is "eighty-two billion, seven hundred eight million, four hundred forty-nine thousand, eight hundred fifty-one".