487769911 has 2 divisors, whose sum is σ = 487769912. Its totient is φ = 487769910.

The previous prime is 487769897. The next prime is 487769939. The reversal of 487769911 is 119967784.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 487769911 - 2¹⁹ = 487245623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487769951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243884955 + 243884956.

It is an arithmetic number, because the mean of its divisors is an integer number (243884956).

Almost surely, 2^487769911 is an apocalyptic number.

487769911 is a deficient number, since it is larger than the sum of its proper divisors (1).

487769911 is an equidigital number, since it uses as much as digits as its factorization.

487769911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 52.

The square root of 487769911 is about 22085.5136005482. The cubic root of 487769911 is about 787.1756815537.

The spelling of 487769911 in words is "four hundred eighty-seven million, seven hundred sixty-nine thousand, nine hundred eleven".