8868779 has 4 divisors (see below), whose sum is σ = 8875776. Its totient is φ = 8861784.

The previous prime is 8868767. The next prime is 8868803. The reversal of 8868779 is 9778688.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8868779 - 2⁸ = 8868523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8868779.

It is not an unprimeable number, because it can be changed into a prime (8868719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004 + ... + 4329.

It is an arithmetic number, because the mean of its divisors is an integer number (2218944).

Almost surely, 2^8868779 is an apocalyptic number.

8868779 is a deficient number, since it is larger than the sum of its proper divisors (6997).

8868779 is a wasteful number, since it uses less digits than its factorization.

8868779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6996.

The product of its digits is 1354752, while the sum is 53.

The square root of 8868779 is about 2978.0495294739. The cubic root of 8868779 is about 206.9925005257.

Subtracting 8868779 from its reverse (9778688), we obtain a palindrome (909909).

The spelling of 8868779 in words is "eight million, eight hundred sixty-eight thousand, seven hundred seventy-nine".