195695077 has 2 divisors, whose sum is σ = 195695078. Its totient is φ = 195695076.

The previous prime is 195695057. The next prime is 195695113. The reversal of 195695077 is 770596591.

195695077 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 can be written as a sum of positive squares in only one way, i.e., 167806116 + 27888961 = 12954^2 + 5281^2 .

It is a cyclic number.

It is not a de Polignac number, because 195695077 - 2¹⁵ = 195662309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195695077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195695057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97847538 + 97847539.

It is an arithmetic number, because the mean of its divisors is an integer number (97847539).

Almost surely, 2^195695077 is an apocalyptic number.

It is an amenable number.

195695077 is a deficient number, since it is larger than the sum of its proper divisors (1).

195695077 is an equidigital number, since it uses as much as digits as its factorization.

195695077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 595350, while the sum is 49.

The square root of 195695077 is about 13989.1056540438. The cubic root of 195695077 is about 580.5771870151.

The spelling of 195695077 in words is "one hundred ninety-five million, six hundred ninety-five thousand, seventy-seven".