195832252977 has 16 divisors (see below), whose sum is σ = 277940520000. Its totient is φ = 122293822464.

The previous prime is 195832252943. The next prime is 195832252997. The reversal of 195832252977 is 779252238591.

It is not a de Polignac number, because 195832252977 - 2¹⁹ = 195831728689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195832252977.

It is not an unprimeable number, because it can be changed into a prime (195832252937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19296352 + ... + 19306497.

It is an arithmetic number, because the mean of its divisors is an integer number (17371282500).

Almost surely, 2^195832252977 is an apocalyptic number.

It is an amenable number.

195832252977 is a deficient number, since it is larger than the sum of its proper divisors (82108267023).

195832252977 is a wasteful number, since it uses less digits than its factorization.

195832252977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38602960.

The product of its digits is 19051200, while the sum is 60.

The spelling of 195832252977 in words is "one hundred ninety-five billion, eight hundred thirty-two million, two hundred fifty-two thousand, nine hundred seventy-seven".