195882377 has 2 divisors, whose sum is σ = 195882378. Its totient is φ = 195882376.

The previous prime is 195882373. The next prime is 195882383. The reversal of 195882377 is 773288591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132457081 + 63425296 = 11509^2 + 7964^2 .

It is an emirp because it is prime and its reverse (773288591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195882377 - 2² = 195882373 is a prime.

It is not a weakly prime, because it can be changed into another prime (195882371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97941188 + 97941189.

It is an arithmetic number, because the mean of its divisors is an integer number (97941189).

Almost surely, 2^195882377 is an apocalyptic number.

It is an amenable number.

195882377 is a deficient number, since it is larger than the sum of its proper divisors (1).

195882377 is an equidigital number, since it uses as much as digits as its factorization.

195882377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 50.

The square root of 195882377 is about 13995.7985481358. The cubic root of 195882377 is about 580.7623516683.

The spelling of 195882377 in words is "one hundred ninety-five million, eight hundred eighty-two thousand, three hundred seventy-seven".