683279977 has 2 divisors, whose sum is σ = 683279978. Its totient is φ = 683279976.

The previous prime is 683279951. The next prime is 683280001. The reversal of 683279977 is 779972386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 486467136 + 196812841 = 22056^2 + 14029^2 .

It is a cyclic number.

It is not a de Polignac number, because 683279977 - 2¹¹ = 683277929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (683270977) 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, 341639988 + 341639989.

It is an arithmetic number, because the mean of its divisors is an integer number (341639989).

Almost surely, 2^683279977 is an apocalyptic number.

It is an amenable number.

683279977 is a deficient number, since it is larger than the sum of its proper divisors (1).

683279977 is an equidigital number, since it uses as much as digits as its factorization.

683279977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8001504, while the sum is 58.

The square root of 683279977 is about 26139.6246530053. The cubic root of 683279977 is about 880.7775398029. Note that the first 3 decimals are identical.

The spelling of 683279977 in words is "six hundred eighty-three million, two hundred seventy-nine thousand, nine hundred seventy-seven".