487707797 has 2 divisors, whose sum is σ = 487707798. Its totient is φ = 487707796.

The previous prime is 487707743. The next prime is 487707799. The reversal of 487707797 is 797707784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 400360081 + 87347716 = 20009^2 + 9346^2 .

It is a cyclic number.

It is not a de Polignac number, because 487707797 - 2⁸ = 487707541 is a prime.

Together with 487707799, 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 (487707799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243853898 + 243853899.

It is an arithmetic number, because the mean of its divisors is an integer number (243853899).

Almost surely, 2^487707797 is an apocalyptic number.

It is an amenable number.

487707797 is a deficient number, since it is larger than the sum of its proper divisors (1).

487707797 is an equidigital number, since it uses as much as digits as its factorization.

487707797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4840416, while the sum is 56.

The square root of 487707797 is about 22084.1073398949. The cubic root of 487707797 is about 787.1422664094.

The spelling of 487707797 in words is "four hundred eighty-seven million, seven hundred seven thousand, seven hundred ninety-seven".