1968774884 has 24 divisors (see below), whose sum is σ = 3692326848. Its totient is φ = 916138080.

The previous prime is 1968774883. The next prime is 1968774893. The reversal of 1968774884 is 4884778691.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1968774883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285782 + ... + 292589.

It is an arithmetic number, because the mean of its divisors is an integer number (153846952).

Almost surely, 2^1968774884 is an apocalyptic number.

It is an amenable number.

1968774884 is a deficient number, since it is larger than the sum of its proper divisors (1723551964).

1968774884 is a wasteful number, since it uses less digits than its factorization.

1968774884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578435 (or 578433 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 62.

The square root of 1968774884 is about 44370.8787832741. The cubic root of 1968774884 is about 1253.3297641805.

The spelling of 1968774884 in words is "one billion, nine hundred sixty-eight million, seven hundred seventy-four thousand, eight hundred eighty-four".