195192560677 has 4 divisors (see below), whose sum is σ = 195325255936. Its totient is φ = 195059865420.

The previous prime is 195192560669. The next prime is 195192560699. The reversal of 195192560677 is 776065291591.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 195192560677 - 2³ = 195192560669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195192560617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66345423 + ... + 66348364.

It is an arithmetic number, because the mean of its divisors is an integer number (48831313984).

Almost surely, 2^195192560677 is an apocalyptic number.

It is an amenable number.

195192560677 is a deficient number, since it is larger than the sum of its proper divisors (132695259).

195192560677 is a wasteful number, since it uses less digits than its factorization.

195192560677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132695258.

The product of its (nonzero) digits is 7144200, while the sum is 58.

The spelling of 195192560677 in words is "one hundred ninety-five billion, one hundred ninety-two million, five hundred sixty thousand, six hundred seventy-seven".