8662879 has 4 divisors (see below), whose sum is σ = 9118840. Its totient is φ = 8206920.

The previous prime is 8662867. The next prime is 8662889. The reversal of 8662879 is 9782668.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8662879 - 2⁷ = 8662751 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 (8662859) 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, 227952 + ... + 227989.

It is an arithmetic number, because the mean of its divisors is an integer number (2279710).

Almost surely, 2^8662879 is an apocalyptic number.

8662879 is a deficient number, since it is larger than the sum of its proper divisors (455961).

8662879 is a wasteful number, since it uses less digits than its factorization.

8662879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455960.

The product of its digits is 290304, while the sum is 46.

The square root of 8662879 is about 2943.2769152766. The cubic root of 8662879 is about 205.3780768318.

The spelling of 8662879 in words is "eight million, six hundred sixty-two thousand, eight hundred seventy-nine".