195868078 has 16 divisors (see below), whose sum is σ = 338228064. Its totient is φ = 83329920.

The previous prime is 195868073. The next prime is 195868081. The reversal of 195868078 is 870868591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195868073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49143 + ... + 52978.

It is an arithmetic number, because the mean of its divisors is an integer number (21139254).

Almost surely, 2^195868078 is an apocalyptic number.

195868078 is a deficient number, since it is larger than the sum of its proper divisors (142359986).

195868078 is a wasteful number, since it uses less digits than its factorization.

195868078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102267.

The product of its (nonzero) digits is 967680, while the sum is 52.

The square root of 195868078 is about 13995.2877069391. The cubic root of 195868078 is about 580.7482198492.

The spelling of 195868078 in words is "one hundred ninety-five million, eight hundred sixty-eight thousand, seventy-eight".