196472384784 has 640 divisors, whose sum is σ = 647958528000. Its totient is φ = 56576931840.

The previous prime is 196472384729. The next prime is 196472384813. The reversal of 196472384784 is 487483274691.

196472384784 is a `hidden beast` number, since 1 + 9 + 6 + 472 + 3 + 84 + 7 + 84 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 987298317 + ... + 987298515.

It is an arithmetic number, because the mean of its divisors is an integer number (1012435200).

Almost surely, 2^196472384784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196472384784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323979264000).

196472384784 is an abundant number, since it is smaller than the sum of its proper divisors (451486143216).

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

196472384784 is a wasteful number, since it uses less digits than its factorization.

196472384784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 408 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 63.

The spelling of 196472384784 in words is "one hundred ninety-six billion, four hundred seventy-two million, three hundred eighty-four thousand, seven hundred eighty-four".