487213747 has 2 divisors, whose sum is σ = 487213748. Its totient is φ = 487213746.

The previous prime is 487213711. The next prime is 487213757. The reversal of 487213747 is 747312784.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487213747 is a prime.

It is not a weakly prime, because it can be changed into another prime (487213757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243606873 + 243606874.

It is an arithmetic number, because the mean of its divisors is an integer number (243606874).

Almost surely, 2^487213747 is an apocalyptic number.

487213747 is a deficient number, since it is larger than the sum of its proper divisors (1).

487213747 is an equidigital number, since it uses as much as digits as its factorization.

487213747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 263424, while the sum is 43.

The square root of 487213747 is about 22072.9188599967. The cubic root of 487213747 is about 786.8763838270.

The spelling of 487213747 in words is "four hundred eighty-seven million, two hundred thirteen thousand, seven hundred forty-seven".