987079 has 2 divisors, whose sum is σ = 987080. Its totient is φ = 987078.

The previous prime is 987067. The next prime is 987083. The reversal of 987079 is 970789.

It is a strong prime.

It is an emirp because it is prime and its reverse (970789) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 987079 - 2⁹ = 986567 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (987029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493539 + 493540.

It is an arithmetic number, because the mean of its divisors is an integer number (493540).

2⁹⁸⁷⁰⁷⁹ is an apocalyptic number.

987079 is a deficient number, since it is larger than the sum of its proper divisors (1).

987079 is an equidigital number, since it uses as much as digits as its factorization.

987079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 987079 is about 993.5184950468. The cubic root of 987079 is about 99.5674315433.

Subtracting from 987079 its reverse (970789), we obtain a triangular number (16290 = T₁₈₀).

The spelling of 987079 in words is "nine hundred eighty-seven thousand, seventy-nine".