1968884976 has 80 divisors (see below), whose sum is σ = 5131226144. Its totient is φ = 650529792.

The previous prime is 1968884909. The next prime is 1968884977. The reversal of 1968884976 is 6794888691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968884977) 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 15 ways as a sum of consecutive naturals, for example, 4959210 + ... + 4959606.

Almost surely, 2^1968884976 is an apocalyptic number.

1968884976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1968884976 is an abundant number, since it is smaller than the sum of its proper divisors (3162341168).

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

1968884976 is a wasteful number, since it uses less digits than its factorization.

1968884976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058 (or 1052 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 66.

The square root of 1968884976 is about 44372.1193543874. The cubic root of 1968884976 is about 1253.3531254105.

The spelling of 1968884976 in words is "one billion, nine hundred sixty-eight million, eight hundred eighty-four thousand, nine hundred seventy-six".