4197119778 has 24 divisors (see below), whose sum is σ = 9096796800. Its totient is φ = 1398572664.

The previous prime is 4197119777. The next prime is 4197119809. The reversal of 4197119778 is 8779117914.

It is a happy number.

4197119778 is a `hidden beast` number, since 419 + 71 + 1 + 97 + 78 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4197119777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18763 + ... + 93521.

It is an arithmetic number, because the mean of its divisors is an integer number (379033200).

Almost surely, 2^4197119778 is an apocalyptic number.

4197119778 is an abundant number, since it is smaller than the sum of its proper divisors (4899677022).

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

4197119778 is a wasteful number, since it uses less digits than its factorization.

4197119778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77886 (or 77883 counting only the distinct ones).

The product of its digits is 889056, while the sum is 54.

The square root of 4197119778 is about 64785.1817779344. The cubic root of 4197119778 is about 1613.0597495684.

The spelling of 4197119778 in words is "four billion, one hundred ninety-seven million, one hundred nineteen thousand, seven hundred seventy-eight".