195068677 has 2 divisors, whose sum is σ = 195068678. Its totient is φ = 195068676.

The previous prime is 195068669. The next prime is 195068711. The reversal of 195068677 is 776860591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168844036 + 26224641 = 12994^2 + 5121^2 .

It is a cyclic number.

It is not a de Polignac number, because 195068677 - 2³ = 195068669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195068677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195068077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97534338 + 97534339.

It is an arithmetic number, because the mean of its divisors is an integer number (97534339).

Almost surely, 2^195068677 is an apocalyptic number.

It is an amenable number.

195068677 is a deficient number, since it is larger than the sum of its proper divisors (1).

195068677 is an equidigital number, since it uses as much as digits as its factorization.

195068677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 195068677 is about 13966.6988583559. The cubic root of 195068677 is about 579.9570687605.

The spelling of 195068677 in words is "one hundred ninety-five million, sixty-eight thousand, six hundred seventy-seven".