487896961 has 2 divisors, whose sum is σ = 487896962. Its totient is φ = 487896960.

The previous prime is 487896943. The next prime is 487896967. The reversal of 487896961 is 169698784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 391248400 + 96648561 = 19780^2 + 9831^2 .

It is a cyclic number.

It is not a de Polignac number, because 487896961 - 2¹³ = 487888769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 487896896 and 487896905.

It is not a weakly prime, because it can be changed into another prime (487896967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243948480 + 243948481.

It is an arithmetic number, because the mean of its divisors is an integer number (243948481).

Almost surely, 2^487896961 is an apocalyptic number.

It is an amenable number.

487896961 is a deficient number, since it is larger than the sum of its proper divisors (1).

487896961 is an equidigital number, since it uses as much as digits as its factorization.

487896961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 58.

The square root of 487896961 is about 22088.3897330702. The cubic root of 487896961 is about 787.2440211444.

The spelling of 487896961 in words is "four hundred eighty-seven million, eight hundred ninety-six thousand, nine hundred sixty-one".