7979882 has 4 divisors (see below), whose sum is σ = 11969826. Its totient is φ = 3989940.

The previous prime is 7979863. The next prime is 7979891. The reversal of 7979882 is 2889797.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 7890481 + 89401 = 2809^2 + 299^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7979882.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1994969 + ... + 1994972.

Almost surely, 2^7979882 is an apocalyptic number.

7979882 is a deficient number, since it is larger than the sum of its proper divisors (3989944).

7979882 is a wasteful number, since it uses less digits than its factorization.

7979882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989943.

The product of its digits is 508032, while the sum is 50.

The square root of 7979882 is about 2824.8684925143. The cubic root of 7979882 is about 199.8322092707.

The spelling of 7979882 in words is "seven million, nine hundred seventy-nine thousand, eight hundred eighty-two".