768255165 has 64 divisors (see below), whose sum is σ = 1397579520. Its totient is φ = 400308480.

The previous prime is 768255149. The next prime is 768255179. The reversal of 768255165 is 561552867.

It is not a de Polignac number, because 768255165 - 2⁴ = 768255149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 768255165.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1419795 + ... + 1420335.

It is an arithmetic number, because the mean of its divisors is an integer number (21837180).

Almost surely, 2^768255165 is an apocalyptic number.

It is an amenable number.

768255165 is a deficient number, since it is larger than the sum of its proper divisors (629324355).

768255165 is a wasteful number, since it uses less digits than its factorization.

768255165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 773 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 768255165 is about 27717.4162756921. The cubic root of 768255165 is about 915.8728033020.

The spelling of 768255165 in words is "seven hundred sixty-eight million, two hundred fifty-five thousand, one hundred sixty-five".