676756121 has 2 divisors, whose sum is σ = 676756122. Its totient is φ = 676756120.

The previous prime is 676756097. The next prime is 676756139. The reversal of 676756121 is 121657676.

676756121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 550418521 + 126337600 = 23461^2 + 11240^2 .

It is a cyclic number.

It is not a de Polignac number, because 676756121 - 2²⁶ = 609647257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (676756181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338378060 + 338378061.

It is an arithmetic number, because the mean of its divisors is an integer number (338378061).

Almost surely, 2^676756121 is an apocalyptic number.

It is an amenable number.

676756121 is a deficient number, since it is larger than the sum of its proper divisors (1).

676756121 is an equidigital number, since it uses as much as digits as its factorization.

676756121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 41.

The square root of 676756121 is about 26014.5367246853. The cubic root of 676756121 is about 877.9653929106.

The spelling of 676756121 in words is "six hundred seventy-six million, seven hundred fifty-six thousand, one hundred twenty-one".