878768 has 20 divisors (see below), whose sum is σ = 1857768. Its totient is φ = 399360.

The previous prime is 878749. The next prime is 878777. The reversal of 878768 is 867878.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2321 + ... + 2672.

2⁸⁷⁸⁷⁶⁸ is an apocalyptic number.

878768 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

878768 is an abundant number, since it is smaller than the sum of its proper divisors (979000).

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

878768 is a wasteful number, since it uses less digits than its factorization.

878768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012 (or 5006 counting only the distinct ones).

The product of its digits is 150528, while the sum is 44.

The square root of 878768 is about 937.4262637669. The cubic root of 878768 is about 95.7836563370.

The spelling of 878768 in words is "eight hundred seventy-eight thousand, seven hundred sixty-eight".