677136697 has 2 divisors, whose sum is σ = 677136698. Its totient is φ = 677136696.

The previous prime is 677136683. The next prime is 677136797. The reversal of 677136697 is 796631776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 356869881 + 320266816 = 18891^2 + 17896^2 .

It is a cyclic number.

It is not a de Polignac number, because 677136697 - 2¹¹ = 677134649 is a prime.

It is a super-3 number, since 3×677136697³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (677136617) 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, 338568348 + 338568349.

It is an arithmetic number, because the mean of its divisors is an integer number (338568349).

Almost surely, 2^677136697 is an apocalyptic number.

It is an amenable number.

677136697 is a deficient number, since it is larger than the sum of its proper divisors (1).

677136697 is an equidigital number, since it uses as much as digits as its factorization.

677136697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2000376, while the sum is 52.

The square root of 677136697 is about 26021.8503761743. The cubic root of 677136697 is about 878.1299376326.

The spelling of 677136697 in words is "six hundred seventy-seven million, one hundred thirty-six thousand, six hundred ninety-seven".