676780943 has 8 divisors (see below), whose sum is σ = 682438656. Its totient is φ = 671139000.

The previous prime is 676780939. The next prime is 676780987. The reversal of 676780943 is 349087676.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 676780943 - 2² = 676780939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 676780891 and 676780900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676780043) 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 in 7 ways as a sum of consecutive naturals, for example, 91730 + ... + 98832.

It is an arithmetic number, because the mean of its divisors is an integer number (85304832).

Almost surely, 2^676780943 is an apocalyptic number.

676780943 is a deficient number, since it is larger than the sum of its proper divisors (5657713).

676780943 is a wasteful number, since it uses less digits than its factorization.

676780943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7885.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The square root of 676780943 is about 26015.0137997273. The cubic root of 676780943 is about 877.9761267579.

The spelling of 676780943 in words is "six hundred seventy-six million, seven hundred eighty thousand, nine hundred forty-three".