9768818143 has 6 divisors (see below), whose sum is σ = 11164662456. Its totient is φ = 8373048552.

The previous prime is 9768818123. The next prime is 9768818149. The reversal of 9768818143 is 3418188679.

9768818143 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9768818143 - 2³³ = 1178883551 is a prime.

It is a super-2 number, since 2×9768818143² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9768818149) 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 5 ways as a sum of consecutive naturals, for example, 242821 + ... + 280177.

It is an arithmetic number, because the mean of its divisors is an integer number (1860777076).

Almost surely, 2^9768818143 is an apocalyptic number.

9768818143 is a deficient number, since it is larger than the sum of its proper divisors (1395844313).

9768818143 is an frugal number, since it uses more digits than its factorization.

9768818143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74721 (or 37364 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 55.

The square root of 9768818143 is about 98837.3317274399. The cubic root of 9768818143 is about 2137.7028763949.

The spelling of 9768818143 in words is "nine billion, seven hundred sixty-eight million, eight hundred eighteen thousand, one hundred forty-three".