195325622077 has 4 divisors (see below), whose sum is σ = 195447931516. Its totient is φ = 195203312640.

The previous prime is 195325622057. The next prime is 195325622111. The reversal of 195325622077 is 770226523591.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85618271236 + 109707350841 = 292606^2 + 331221^2 .

It is a cyclic number.

It is not a de Polignac number, because 195325622077 - 2¹⁵ = 195325589309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195325622077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195325622047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61152324 + ... + 61155517.

It is an arithmetic number, because the mean of its divisors is an integer number (48861982879).

Almost surely, 2^195325622077 is an apocalyptic number.

It is an amenable number.

195325622077 is a deficient number, since it is larger than the sum of its proper divisors (122309439).

195325622077 is a wasteful number, since it uses less digits than its factorization.

195325622077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122309438.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 195325622077 in words is "one hundred ninety-five billion, three hundred twenty-five million, six hundred twenty-two thousand, seventy-seven".