195278082 has 64 divisors (see below), whose sum is σ = 432397440. Its totient is φ = 58530816.

The previous prime is 195278077. The next prime is 195278087. The reversal of 195278082 is 280872591.

It is an interprime number because it is at equal distance from previous prime (195278077) and next prime (195278087).

It is not an unprimeable number, because it can be changed into a prime (195278087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222228 + ... + 223104.

It is an arithmetic number, because the mean of its divisors is an integer number (6756210).

Almost surely, 2^195278082 is an apocalyptic number.

195278082 is an abundant number, since it is smaller than the sum of its proper divisors (237119358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195278082 is a wasteful number, since it uses less digits than its factorization.

195278082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 195278082 is about 13974.1934293182. The cubic root of 195278082 is about 580.1645213025.

The spelling of 195278082 in words is "one hundred ninety-five million, two hundred seventy-eight thousand, eighty-two".