8969879 has 4 divisors (see below), whose sum is σ = 9139176. Its totient is φ = 8800584.

The previous prime is 8969813. The next prime is 8969887. The reversal of 8969879 is 9789698.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9789698 = 2 ⋅4894849.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8969879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8969899) 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, 84569 + ... + 84674.

It is an arithmetic number, because the mean of its divisors is an integer number (2284794).

Almost surely, 2^8969879 is an apocalyptic number.

8969879 is a deficient number, since it is larger than the sum of its proper divisors (169297).

8969879 is a wasteful number, since it uses less digits than its factorization.

8969879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169296.

The product of its digits is 1959552, while the sum is 56.

The square root of 8969879 is about 2994.9756259442. The cubic root of 8969879 is about 207.7760703361.

The spelling of 8969879 in words is "eight million, nine hundred sixty-nine thousand, eight hundred seventy-nine".