487719877 has 2 divisors, whose sum is σ = 487719878. Its totient is φ = 487719876.

The previous prime is 487719847. The next prime is 487719913. The reversal of 487719877 is 778917784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325946916 + 161772961 = 18054^2 + 12719^2 .

It is a cyclic number.

It is not a de Polignac number, because 487719877 - 2¹⁹ = 487195589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487719847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243859938 + 243859939.

It is an arithmetic number, because the mean of its divisors is an integer number (243859939).

Almost surely, 2^487719877 is an apocalyptic number.

It is an amenable number.

487719877 is a deficient number, since it is larger than the sum of its proper divisors (1).

487719877 is an equidigital number, since it uses as much as digits as its factorization.

487719877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5531904, while the sum is 58.

The square root of 487719877 is about 22084.3808380493. The cubic root of 487719877 is about 787.1487652461.

The spelling of 487719877 in words is "four hundred eighty-seven million, seven hundred nineteen thousand, eight hundred seventy-seven".