618776768 has 14 divisors (see below), whose sum is σ = 1227885276. Its totient is φ = 309388352.

The previous prime is 618776747. The next prime is 618776791. The reversal of 618776768 is 867677816.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4834130 + ... + 4834257.

Almost surely, 2^618776768 is an apocalyptic number.

It is an amenable number.

618776768 is a deficient number, since it is larger than the sum of its proper divisors (609108508).

618776768 is an equidigital number, since it uses as much as digits as its factorization.

618776768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9668399 (or 9668389 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 56.

The square root of 618776768 is about 24875.2239788911. The cubic root of 618776768 is about 852.1407483462.

The spelling of 618776768 in words is "six hundred eighteen million, seven hundred seventy-six thousand, seven hundred sixty-eight".