768798144 has 42 divisors (see below), whose sum is σ = 2203622720. Its totient is φ = 256265856.

The previous prime is 768798137. The next prime is 768798169. The reversal of 768798144 is 441897867.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 666784 + ... + 667935.

Almost surely, 2^768798144 is an apocalyptic number.

It is an amenable number.

768798144 is an abundant number, since it is smaller than the sum of its proper divisors (1434824576).

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

768798144 is a wasteful number, since it uses less digits than its factorization.

768798144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334737 (or 1334724 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 768798144 is about 27727.2094520888. The cubic root of 768798144 is about 916.0885226831.

The spelling of 768798144 in words is "seven hundred sixty-eight million, seven hundred ninety-eight thousand, one hundred forty-four".