727382987 has 2 divisors, whose sum is σ = 727382988. Its totient is φ = 727382986.

The previous prime is 727382899. The next prime is 727382989. The reversal of 727382987 is 789283727.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 727382987 - 2¹⁸ = 727120843 is a prime.

Together with 727382989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (727382989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363691493 + 363691494.

It is an arithmetic number, because the mean of its divisors is an integer number (363691494).

Almost surely, 2^727382987 is an apocalyptic number.

727382987 is a deficient number, since it is larger than the sum of its proper divisors (1).

727382987 is an equidigital number, since it uses as much as digits as its factorization.

727382987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2370816, while the sum is 53.

The square root of 727382987 is about 26970.0386911105. The cubic root of 727382987 is about 899.3340699365.

The spelling of 727382987 in words is "seven hundred twenty-seven million, three hundred eighty-two thousand, nine hundred eighty-seven".