768905518 has 4 divisors (see below), whose sum is σ = 1153358280. Its totient is φ = 384452758.

The previous prime is 768905491. The next prime is 768905519. The reversal of 768905518 is 815509867.

768905518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 815509867 = 6857 ⋅118931.

It is a super-2 number, since 2×768905518² = 1182431391221696648, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768905519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192226378 + ... + 192226381.

It is an arithmetic number, because the mean of its divisors is an integer number (288339570).

Almost surely, 2^768905518 is an apocalyptic number.

768905518 is a deficient number, since it is larger than the sum of its proper divisors (384452762).

768905518 is a wasteful number, since it uses less digits than its factorization.

768905518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384452761.

The product of its (nonzero) digits is 604800, while the sum is 49.

The square root of 768905518 is about 27729.1456413644. The cubic root of 768905518 is about 916.1311691224.

The spelling of 768905518 in words is "seven hundred sixty-eight million, nine hundred five thousand, five hundred eighteen".