839470083077 has 2 divisors, whose sum is σ = 839470083078. Its totient is φ = 839470083076.

The previous prime is 839470083061. The next prime is 839470083079. The reversal of 839470083077 is 770380074938.

It is a Cunningham number, because it is equal to 916226²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 839470083076 + 1 = 916226^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 839470083077 - 2⁴ = 839470083061 is a prime.

Together with 839470083079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (839470083079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419735041538 + 419735041539.

It is an arithmetic number, because the mean of its divisors is an integer number (419735041539).

Almost surely, 2^839470083077 is an apocalyptic number.

It is an amenable number.

839470083077 is a deficient number, since it is larger than the sum of its proper divisors (1).

839470083077 is an equidigital number, since it uses as much as digits as its factorization.

839470083077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 839470083077 in words is "eight hundred thirty-nine billion, four hundred seventy million, eighty-three thousand, seventy-seven".