195478005 has 16 divisors (see below), whose sum is σ = 313876800. Its totient is φ = 103884288.

The previous prime is 195478001. The next prime is 195478027. The reversal of 195478005 is 500874591.

It is not a de Polignac number, because 195478005 - 2² = 195478001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195478001) 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, 18780 + ... + 27269.

It is an arithmetic number, because the mean of its divisors is an integer number (19617300).

Almost surely, 2^195478005 is an apocalyptic number.

195478005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195478005 is a deficient number, since it is larger than the sum of its proper divisors (118398795).

195478005 is a wasteful number, since it uses less digits than its factorization.

195478005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46340.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 195478005 is about 13981.3448923914. The cubic root of 195478005 is about 580.3624419132.

The spelling of 195478005 in words is "one hundred ninety-five million, four hundred seventy-eight thousand, five".