195500078 has 8 divisors (see below), whose sum is σ = 303362280. Its totient is φ = 94379320.

The previous prime is 195500047. The next prime is 195500089. The reversal of 195500078 is 870005591.

195500078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1685288 + ... + 1685403.

It is an arithmetic number, because the mean of its divisors is an integer number (37920285).

Almost surely, 2^195500078 is an apocalyptic number.

195500078 is a deficient number, since it is larger than the sum of its proper divisors (107862202).

195500078 is a wasteful number, since it uses less digits than its factorization.

195500078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370722.

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 195500078 is about 13982.1342433836. The cubic root of 195500078 is about 580.3842855609.

The spelling of 195500078 in words is "one hundred ninety-five million, five hundred thousand, seventy-eight".