195782976 has 84 divisors (see below), whose sum is σ = 565143904. Its totient is φ = 64800000.

The previous prime is 195782971. The next prime is 195783019. The reversal of 195782976 is 679287591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195782971) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 85851 + ... + 88101.

Almost surely, 2^195782976 is an apocalyptic number.

195782976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195782976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282571952).

195782976 is an abundant number, since it is smaller than the sum of its proper divisors (369360928).

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

195782976 is a wasteful number, since it uses less digits than its factorization.

195782976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420 (or 2407 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The square root of 195782976 is about 13992.2469961047. The cubic root of 195782976 is about 580.6640986130.

The spelling of 195782976 in words is "one hundred ninety-five million, seven hundred eighty-two thousand, nine hundred seventy-six".