487700789 has 2 divisors, whose sum is σ = 487700790. Its totient is φ = 487700788.

The previous prime is 487700783. The next prime is 487700791. The reversal of 487700789 is 987007784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339664900 + 148035889 = 18430^2 + 12167^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487700789 is a prime.

Together with 487700791, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487700783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243850394 + 243850395.

It is an arithmetic number, because the mean of its divisors is an integer number (243850395).

Almost surely, 2^487700789 is an apocalyptic number.

It is an amenable number.

487700789 is a deficient number, since it is larger than the sum of its proper divisors (1).

487700789 is an equidigital number, since it uses as much as digits as its factorization.

487700789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 790272, while the sum is 50.

The square root of 487700789 is about 22083.9486731880. The cubic root of 487700789 is about 787.1384961741.

The spelling of 487700789 in words is "four hundred eighty-seven million, seven hundred thousand, seven hundred eighty-nine".