8865879 has 16 divisors (see below), whose sum is σ = 13457664. Its totient is φ = 5139200.

The previous prime is 8865877. The next prime is 8865911. The reversal of 8865879 is 9785688.

It is a happy number.

It is not a de Polignac number, because 8865879 - 2¹ = 8865877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8865877) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5082 + ... + 6599.

It is an arithmetic number, because the mean of its divisors is an integer number (841104).

Almost surely, 2^8865879 is an apocalyptic number.

8865879 is a deficient number, since it is larger than the sum of its proper divisors (4591785).

8865879 is a wasteful number, since it uses less digits than its factorization.

8865879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11718.

The product of its digits is 967680, while the sum is 51.

The square root of 8865879 is about 2977.5625938005. The cubic root of 8865879 is about 206.9699365894.

The spelling of 8865879 in words is "eight million, eight hundred sixty-five thousand, eight hundred seventy-nine".