8311979 has 8 divisors (see below), whose sum is σ = 9103920. Its totient is φ = 7541856.

The previous prime is 8311957. The next prime is 8311981. The reversal of 8311979 is 9791138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8311979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8311909) 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, 4652 + ... + 6185.

It is an arithmetic number, because the mean of its divisors is an integer number (1137990).

Almost surely, 2^8311979 is an apocalyptic number.

8311979 is a deficient number, since it is larger than the sum of its proper divisors (791941).

8311979 is a wasteful number, since it uses less digits than its factorization.

8311979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10909.

The product of its digits is 13608, while the sum is 38.

The square root of 8311979 is about 2883.0502943931. The cubic root of 8311979 is about 202.5667432281.

The spelling of 8311979 in words is "eight million, three hundred eleven thousand, nine hundred seventy-nine".