846520829579 has 2 divisors, whose sum is σ = 846520829580. Its totient is φ = 846520829578.

The previous prime is 846520829563. The next prime is 846520829591. The reversal of 846520829579 is 975928025648.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 846520829579 - 2⁴ = 846520829563 is a prime.

It is a super-2 number, since 2×846520829579² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (846520829779) 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, 423260414789 + 423260414790.

It is an arithmetic number, because the mean of its divisors is an integer number (423260414790).

Almost surely, 2^846520829579 is an apocalyptic number.

846520829579 is a deficient number, since it is larger than the sum of its proper divisors (1).

846520829579 is an equidigital number, since it uses as much as digits as its factorization.

846520829579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87091200, while the sum is 65.

The spelling of 846520829579 in words is "eight hundred forty-six billion, five hundred twenty million, eight hundred twenty-nine thousand, five hundred seventy-nine".