6997879 has 8 divisors (see below), whose sum is σ = 8013600. Its totient is φ = 5986176.

The previous prime is 6997873. The next prime is 6997891. The reversal of 6997879 is 9787996.

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

It is not a de Polignac number, because 6997879 - 2¹³ = 6989687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6997873) 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, 6147 + ... + 7195.

It is an arithmetic number, because the mean of its divisors is an integer number (1001700).

Almost surely, 2^6997879 is an apocalyptic number.

6997879 is a deficient number, since it is larger than the sum of its proper divisors (1015721).

6997879 is a wasteful number, since it uses less digits than its factorization.

6997879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009.

The product of its digits is 1714608, while the sum is 55.

The square root of 6997879 is about 2645.3504493734. The cubic root of 6997879 is about 191.2737957206.

The spelling of 6997879 in words is "six million, nine hundred ninety-seven thousand, eight hundred seventy-nine".