1485539977 has 2 divisors, whose sum is σ = 1485539978. Its totient is φ = 1485539976.

The previous prime is 1485539971. The next prime is 1485539987. The reversal of 1485539977 is 7799355841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1175392656 + 310147321 = 34284^2 + 17611^2 .

It is an emirp because it is prime and its reverse (7799355841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1485539977 - 2¹⁹ = 1485015689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1485539971) 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, 742769988 + 742769989.

It is an arithmetic number, because the mean of its divisors is an integer number (742769989).

Almost surely, 2^1485539977 is an apocalyptic number.

It is an amenable number.

1485539977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485539977 is an equidigital number, since it uses as much as digits as its factorization.

1485539977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9525600, while the sum is 58.

The square root of 1485539977 is about 38542.7032912846. The cubic root of 1485539977 is about 1141.0240047612.

The spelling of 1485539977 in words is "one billion, four hundred eighty-five million, five hundred thirty-nine thousand, nine hundred seventy-seven".