776868 has 24 divisors (see below), whose sum is σ = 1858080. Its totient is φ = 252480.

The previous prime is 776861. The next prime is 776869. The reversal of 776868 is 868677.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 776868.

It is not an unprimeable number, because it can be changed into a prime (776861) by changing a digit.

776868 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298 + ... + 1281.

It is an arithmetic number, because the mean of its divisors is an integer number (77420).

2⁷⁷⁶⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

776868 is an abundant number, since it is smaller than the sum of its proper divisors (1081212).

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

776868 is a wasteful number, since it uses less digits than its factorization.

776868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627 (or 1625 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 776868 is about 881.4011572491. The cubic root of 776868 is about 91.9282679669.

Subtracting 776868 from its reverse (868677), we obtain a square (91809 = 303²).

The spelling of 776868 in words is "seven hundred seventy-six thousand, eight hundred sixty-eight".