195478063 has 16 divisors (see below), whose sum is σ = 216316800. Its totient is φ = 175171680.

The previous prime is 195478057. The next prime is 195478091. The reversal of 195478063 is 360874591.

It is a cyclic number.

It is not a de Polignac number, because 195478063 - 2¹³ = 195469871 is a prime.

It is a super-2 number, since 2×195478063² = 76423346228463938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195478163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264148 + ... + 264886.

It is an arithmetic number, because the mean of its divisors is an integer number (13519800).

Almost surely, 2^195478063 is an apocalyptic number.

195478063 is a deficient number, since it is larger than the sum of its proper divisors (20838737).

195478063 is a wasteful number, since it uses less digits than its factorization.

195478063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 195478063 is about 13981.3469665837. The cubic root of 195478063 is about 580.3624993127.

The spelling of 195478063 in words is "one hundred ninety-five million, four hundred seventy-eight thousand, sixty-three".