487979 has 2 divisors, whose sum is σ = 487980. Its totient is φ = 487978.

The previous prime is 487973. The next prime is 487997. The reversal of 487979 is 979784.

Together with next prime (487997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 487979 - 2¹² = 483883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (487973) 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, 243989 + 243990.

It is an arithmetic number, because the mean of its divisors is an integer number (243990).

2⁴⁸⁷⁹⁷⁹ is an apocalyptic number.

487979 is a deficient number, since it is larger than the sum of its proper divisors (1).

487979 is an equidigital number, since it uses as much as digits as its factorization.

487979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 44.

The square root of 487979 is about 698.5549369949. The cubic root of 487979 is about 78.7288143229.

The spelling of 487979 in words is "four hundred eighty-seven thousand, nine hundred seventy-nine".