16879799 has 2 divisors, whose sum is σ = 16879800. Its totient is φ = 16879798.

The previous prime is 16879787. The next prime is 16879801. The reversal of 16879799 is 99797861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16879799 - 2¹⁶ = 16814263 is a prime.

It is a super-2 number, since 2×16879799² = 569855228560802, which contains 22 as substring.

Together with 16879801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16879729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8439899 + 8439900.

It is an arithmetic number, because the mean of its divisors is an integer number (8439900).

Almost surely, 2^16879799 is an apocalyptic number.

16879799 is a deficient number, since it is larger than the sum of its proper divisors (1).

16879799 is an equidigital number, since it uses as much as digits as its factorization.

16879799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1714608, while the sum is 56.

The square root of 16879799 is about 4108.5032554447. The cubic root of 16879799 is about 256.5207042883.

The spelling of 16879799 in words is "sixteen million, eight hundred seventy-nine thousand, seven hundred ninety-nine".