487827961 has 2 divisors, whose sum is σ = 487827962. Its totient is φ = 487827960.

The previous prime is 487827959. The next prime is 487827973. The reversal of 487827961 is 169728784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 347263225 + 140564736 = 18635^2 + 11856^2 .

It is a cyclic number.

It is not a de Polignac number, because 487827961 - 2¹ = 487827959 is a prime.

It is a super-2 number, since 2×487827961² = 475952239066835042, which contains 22 as substring.

Together with 487827959, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 487827899 and 487827908.

It is not a weakly prime, because it can be changed into another prime (487827911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243913980 + 243913981.

It is an arithmetic number, because the mean of its divisors is an integer number (243913981).

Almost surely, 2^487827961 is an apocalyptic number.

It is an amenable number.

487827961 is a deficient number, since it is larger than the sum of its proper divisors (1).

487827961 is an equidigital number, since it uses as much as digits as its factorization.

487827961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 52.

The square root of 487827961 is about 22086.8277713211. The cubic root of 487827961 is about 787.2069078448.

The spelling of 487827961 in words is "four hundred eighty-seven million, eight hundred twenty-seven thousand, nine hundred sixty-one".