676756139 has 2 divisors, whose sum is σ = 676756140. Its totient is φ = 676756138.

The previous prime is 676756121. The next prime is 676756147. The reversal of 676756139 is 931657676.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 676756139 - 2¹⁶ = 676690603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (676753139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338378069 + 338378070.

It is an arithmetic number, because the mean of its divisors is an integer number (338378070).

Almost surely, 2^676756139 is an apocalyptic number.

676756139 is a deficient number, since it is larger than the sum of its proper divisors (1).

676756139 is an equidigital number, since it uses as much as digits as its factorization.

676756139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 50.

The square root of 676756139 is about 26014.5370706457. The cubic root of 676756139 is about 877.9654006945.

The spelling of 676756139 in words is "six hundred seventy-six million, seven hundred fifty-six thousand, one hundred thirty-nine".