487734889 has 2 divisors, whose sum is σ = 487734890. Its totient is φ = 487734888.

The previous prime is 487734859. The next prime is 487734899. The reversal of 487734889 is 988437784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 464618025 + 23116864 = 21555^2 + 4808^2 .

It is a cyclic number.

It is not a de Polignac number, because 487734889 - 2⁷ = 487734761 is a prime.

It is not a weakly prime, because it can be changed into another prime (487734859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243867444 + 243867445.

It is an arithmetic number, because the mean of its divisors is an integer number (243867445).

Almost surely, 2^487734889 is an apocalyptic number.

It is an amenable number.

487734889 is a deficient number, since it is larger than the sum of its proper divisors (1).

487734889 is an equidigital number, since it uses as much as digits as its factorization.

487734889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10838016, while the sum is 58.

The square root of 487734889 is about 22084.7207136518. The cubic root of 487734889 is about 787.1568413000.

The spelling of 487734889 in words is "four hundred eighty-seven million, seven hundred thirty-four thousand, eight hundred eighty-nine".