195530378 has 4 divisors (see below), whose sum is σ = 293295570. Its totient is φ = 97765188.

The previous prime is 195530371. The next prime is 195530389. The reversal of 195530378 is 873035591.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 135885649 + 59644729 = 11657^2 + 7723^2 .

It is not an unprimeable number, because it can be changed into a prime (195530371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48882593 + ... + 48882596.

Almost surely, 2^195530378 is an apocalyptic number.

195530378 is a deficient number, since it is larger than the sum of its proper divisors (97765192).

195530378 is an equidigital number, since it uses as much as digits as its factorization.

195530378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97765191.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 195530378 is about 13983.2177269754. The cubic root of 195530378 is about 580.4142680475.

The spelling of 195530378 in words is "one hundred ninety-five million, five hundred thirty thousand, three hundred seventy-eight".