487827973 has 2 divisors, whose sum is σ = 487827974. Its totient is φ = 487827972.

The previous prime is 487827961. The next prime is 487827979. The reversal of 487827973 is 379728784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 472758049 + 15069924 = 21743^2 + 3882^2 .

It is a cyclic number.

It is not a de Polignac number, because 487827973 - 2²¹ = 485730821 is a prime.

It is a super-2 number, since 2×487827973² = 475952262482577458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487827979) 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, 243913986 + 243913987.

It is an arithmetic number, because the mean of its divisors is an integer number (243913987).

Almost surely, 2^487827973 is an apocalyptic number.

It is an amenable number.

487827973 is a deficient number, since it is larger than the sum of its proper divisors (1).

487827973 is an equidigital number, since it uses as much as digits as its factorization.

487827973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4741632, while the sum is 55.

The square root of 487827973 is about 22086.8280429762. The cubic root of 487827973 is about 787.2069142996.

The spelling of 487827973 in words is "four hundred eighty-seven million, eight hundred twenty-seven thousand, nine hundred seventy-three".