1968760688 has 10 divisors (see below), whose sum is σ = 3814473864. Its totient is φ = 984380336.

The previous prime is 1968760687. The next prime is 1968760709. The reversal of 1968760688 is 8860678691.

It is a super-2 number, since 2×1968760688² = 7752037293228466688, which contains 22 as substring.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 1968 and 760688 contains 1968760688 itself.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968760681) 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 as a sum of consecutive naturals, namely, 61523756 + ... + 61523787.

Almost surely, 2^1968760688 is an apocalyptic number.

It is an amenable number.

1968760688 is a deficient number, since it is larger than the sum of its proper divisors (1845713176).

1968760688 is a wasteful number, since it uses less digits than its factorization.

1968760688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123047551 (or 123047545 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 59.

The square root of 1968760688 is about 44370.7188131993. The cubic root of 1968760688 is about 1253.3267517636.

The spelling of 1968760688 in words is "one billion, nine hundred sixty-eight million, seven hundred sixty thousand, six hundred eighty-eight".