8766978 has 16 divisors (see below), whose sum is σ = 19128096. Its totient is φ = 2656640.

The previous prime is 8766977. The next prime is 8766997. The reversal of 8766978 is 8796678.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8766978.

It is not an unprimeable number, because it can be changed into a prime (8766977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66351 + ... + 66482.

It is an arithmetic number, because the mean of its divisors is an integer number (1195506).

Almost surely, 2^8766978 is an apocalyptic number.

8766978 is an abundant number, since it is smaller than the sum of its proper divisors (10361118).

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

8766978 is a wasteful number, since it uses less digits than its factorization.

8766978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132849.

The product of its digits is 1016064, while the sum is 51.

The square root of 8766978 is about 2960.9083065843. The cubic root of 8766978 is about 206.1974573228.

The spelling of 8766978 in words is "eight million, seven hundred sixty-six thousand, nine hundred seventy-eight".