7198879 has 2 divisors, whose sum is σ = 7198880. Its totient is φ = 7198878.

The previous prime is 7198847. The next prime is 7198883. The reversal of 7198879 is 9788917.

It is a strong prime.

It is an emirp because it is prime and its reverse (9788917) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7198879 - 2⁵ = 7198847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7198579) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3599439 + 3599440.

It is an arithmetic number, because the mean of its divisors is an integer number (3599440).

Almost surely, 2^7198879 is an apocalyptic number.

7198879 is a deficient number, since it is larger than the sum of its proper divisors (1).

7198879 is an equidigital number, since it uses as much as digits as its factorization.

7198879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 49.

The square root of 7198879 is about 2683.0726788516. The cubic root of 7198879 is about 193.0878549788.

The spelling of 7198879 in words is "seven million, one hundred ninety-eight thousand, eight hundred seventy-nine".