17479879 has 2 divisors, whose sum is σ = 17479880. Its totient is φ = 17479878.

The previous prime is 17479811. The next prime is 17479897. The reversal of 17479879 is 97897471.

Together with next prime (17479897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17479879 - 2⁷ = 17479751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17479279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8739939 + 8739940.

It is an arithmetic number, because the mean of its divisors is an integer number (8739940).

Almost surely, 2^17479879 is an apocalyptic number.

17479879 is a deficient number, since it is larger than the sum of its proper divisors (1).

17479879 is an equidigital number, since it uses as much as digits as its factorization.

17479879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 52.

The square root of 17479879 is about 4180.8945215109. The cubic root of 17479879 is about 259.5251639102.

The spelling of 17479879 in words is "seventeen million, four hundred seventy-nine thousand, eight hundred seventy-nine".