768856 has 16 divisors (see below), whose sum is σ = 1572840. Its totient is φ = 349440.

The previous prime is 768853. The next prime is 768857. The reversal of 768856 is 658867.

It is a super-2 number, since 2×768856² = 1182279097472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4281 + ... + 4456.

2⁷⁶⁸⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

768856 is an abundant number, since it is smaller than the sum of its proper divisors (803984).

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

768856 is a wasteful number, since it uses less digits than its factorization.

768856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8754 (or 8750 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 768856 is about 876.8443419445. The cubic root of 768856 is about 91.6111502225.

It can be divided in two parts, 7688 and 56, that added together give a square (7744 = 88²).

The spelling of 768856 in words is "seven hundred sixty-eight thousand, eight hundred fifty-six".