768555 has 16 divisors (see below), whose sum is σ = 1366560. Its totient is φ = 409824.

The previous prime is 768541. The next prime is 768563. The reversal of 768555 is 555867.

It is not a de Polignac number, because 768555 - 2⁶ = 768491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2712 + ... + 2981.

It is an arithmetic number, because the mean of its divisors is an integer number (85410).

2⁷⁶⁸⁵⁵⁵ is an apocalyptic number.

768555 is a deficient number, since it is larger than the sum of its proper divisors (598005).

768555 is a wasteful number, since it uses less digits than its factorization.

768555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707 (or 5701 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 768555 is about 876.6726869248. The cubic root of 768555 is about 91.5991936899.

The spelling of 768555 in words is "seven hundred sixty-eight thousand, five hundred fifty-five".