676788361 has 2 divisors, whose sum is σ = 676788362. Its totient is φ = 676788360.

The previous prime is 676788347. The next prime is 676788451. The reversal of 676788361 is 163887676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 498405625 + 178382736 = 22325^2 + 13356^2 .

It is a cyclic number.

It is not a de Polignac number, because 676788361 - 2²¹ = 674691209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 676788299 and 676788308.

It is not a weakly prime, because it can be changed into another prime (676782361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338394180 + 338394181.

It is an arithmetic number, because the mean of its divisors is an integer number (338394181).

Almost surely, 2^676788361 is an apocalyptic number.

It is an amenable number.

676788361 is a deficient number, since it is larger than the sum of its proper divisors (1).

676788361 is an equidigital number, since it uses as much as digits as its factorization.

676788361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 52.

The square root of 676788361 is about 26015.1563708543. The cubic root of 676788361 is about 877.9793344935.

The spelling of 676788361 in words is "six hundred seventy-six million, seven hundred eighty-eight thousand, three hundred sixty-one".