195477968 has 40 divisors (see below), whose sum is σ = 458309952. Its totient is φ = 78847488.

The previous prime is 195477937. The next prime is 195477973. The reversal of 195477968 is 869774591.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49430 + ... + 53237.

Almost surely, 2^195477968 is an apocalyptic number.

It is an amenable number.

195477968 is an abundant number, since it is smaller than the sum of its proper divisors (262831984).

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

195477968 is a wasteful number, since it uses less digits than its factorization.

195477968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102699 (or 102693 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 56.

The square root of 195477968 is about 13981.3435691996. The cubic root of 195477968 is about 580.3624052963.

The spelling of 195477968 in words is "one hundred ninety-five million, four hundred seventy-seven thousand, nine hundred sixty-eight".