820058049647 has 2 divisors, whose sum is σ = 820058049648. Its totient is φ = 820058049646.

The previous prime is 820058049641. The next prime is 820058049667. The reversal of 820058049647 is 746940850028.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 820058049647 - 2⁴ = 820058049631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (820058049641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410029024823 + 410029024824.

It is an arithmetic number, because the mean of its divisors is an integer number (410029024824).

Almost surely, 2^820058049647 is an apocalyptic number.

820058049647 is a deficient number, since it is larger than the sum of its proper divisors (1).

820058049647 is an equidigital number, since it uses as much as digits as its factorization.

820058049647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 820058049647 in words is "eight hundred twenty billion, fifty-eight million, forty-nine thousand, six hundred forty-seven".