485977 has 2 divisors, whose sum is σ = 485978. Its totient is φ = 485976.

The previous prime is 485959. The next prime is 485993. The reversal of 485977 is 779584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 447561 + 38416 = 669^2 + 196^2 .

It is a cyclic number.

It is not a de Polignac number, because 485977 - 2¹¹ = 483929 is a prime.

It is not a weakly prime, because it can be changed into another prime (485777) 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, 242988 + 242989.

It is an arithmetic number, because the mean of its divisors is an integer number (242989).

2⁴⁸⁵⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

485977 is a deficient number, since it is larger than the sum of its proper divisors (1).

485977 is an equidigital number, since it uses as much as digits as its factorization.

485977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 40.

The square root of 485977 is about 697.1205060820. The cubic root of 485977 is about 78.6210015381.

The spelling of 485977 in words is "four hundred eighty-five thousand, nine hundred seventy-seven".