676479943 has 2 divisors, whose sum is σ = 676479944. Its totient is φ = 676479942.

The previous prime is 676479941. The next prime is 676479949. The reversal of 676479943 is 349974676.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 676479943 - 2¹ = 676479941 is a prime.

It is a super-2 number, since 2×676479943² = 915250226562566498, which contains 22 as substring.

Together with 676479941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676479941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338239971 + 338239972.

It is an arithmetic number, because the mean of its divisors is an integer number (338239972).

Almost surely, 2^676479943 is an apocalyptic number.

676479943 is a deficient number, since it is larger than the sum of its proper divisors (1).

676479943 is an equidigital number, since it uses as much as digits as its factorization.

676479943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6858432, while the sum is 55.

The square root of 676479943 is about 26009.2280354493. The cubic root of 676479943 is about 877.8459467713.

The spelling of 676479943 in words is "six hundred seventy-six million, four hundred seventy-nine thousand, nine hundred forty-three".