677131163 has 2 divisors, whose sum is σ = 677131164. Its totient is φ = 677131162.

The previous prime is 677131153. The next prime is 677131187. The reversal of 677131163 is 361131776.

677131163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677131163 is a prime.

It is a super-2 number, since 2×677131163² = 917013223811465138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (677131123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338565581 + 338565582.

It is an arithmetic number, because the mean of its divisors is an integer number (338565582).

Almost surely, 2^677131163 is an apocalyptic number.

677131163 is a deficient number, since it is larger than the sum of its proper divisors (1).

677131163 is an equidigital number, since it uses as much as digits as its factorization.

677131163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 35.

The square root of 677131163 is about 26021.7440422428. The cubic root of 677131163 is about 878.1275454104.

The spelling of 677131163 in words is "six hundred seventy-seven million, one hundred thirty-one thousand, one hundred sixty-three".