195896478 has 8 divisors (see below), whose sum is σ = 391792968. Its totient is φ = 65298824.

The previous prime is 195896473. The next prime is 195896501. The reversal of 195896478 is 874698591.

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

195896478 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195896473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16324701 + ... + 16324712.

It is an arithmetic number, because the mean of its divisors is an integer number (48974121).

Almost surely, 2^195896478 is an apocalyptic number.

195896478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

195896478 is a wasteful number, since it uses less digits than its factorization.

195896478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32649418.

The product of its digits is 4354560, while the sum is 57.

The square root of 195896478 is about 13996.3022973927. The cubic root of 195896478 is about 580.7762871288.

The spelling of 195896478 in words is "one hundred ninety-five million, eight hundred ninety-six thousand, four hundred seventy-eight".