7995779 has 8 divisors (see below), whose sum is σ = 8935920. Its totient is φ = 7091200.

The previous prime is 7995773. The next prime is 7995791. The reversal of 7995779 is 9775997.

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

It is a cyclic number.

It is not a de Polignac number, because 7995779 - 2¹⁶ = 7930243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7995779.

It is not an unprimeable number, because it can be changed into a prime (7995773) 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, 8414 + ... + 9315.

It is an arithmetic number, because the mean of its divisors is an integer number (1116990).

Almost surely, 2^7995779 is an apocalyptic number.

7995779 is a deficient number, since it is larger than the sum of its proper divisors (940141).

7995779 is a wasteful number, since it uses less digits than its factorization.

7995779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17781.

The product of its digits is 1250235, while the sum is 53.

The square root of 7995779 is about 2827.6808518643. The cubic root of 7995779 is about 199.9648188118.

The spelling of 7995779 in words is "seven million, nine hundred ninety-five thousand, seven hundred seventy-nine".