727879 has 2 divisors, whose sum is σ = 727880. Its totient is φ = 727878.

The previous prime is 727877. The next prime is 727891. The reversal of 727879 is 978727.

It is a weak prime.

It is an emirp because it is prime and its reverse (978727) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 727879 - 2¹ = 727877 is a prime.

Together with 727877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (727877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363939 + 363940.

It is an arithmetic number, because the mean of its divisors is an integer number (363940).

2⁷²⁷⁸⁷⁹ is an apocalyptic number.

727879 is a deficient number, since it is larger than the sum of its proper divisors (1).

727879 is an equidigital number, since it uses as much as digits as its factorization.

727879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 40.

The square root of 727879 is about 853.1582502678. The cubic root of 727879 is about 89.9538446466.

The spelling of 727879 in words is "seven hundred twenty-seven thousand, eight hundred seventy-nine".