487006739 has 2 divisors, whose sum is σ = 487006740. Its totient is φ = 487006738.

The previous prime is 487006711. The next prime is 487006781. The reversal of 487006739 is 937600784.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487006739 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 487006739.

It is not a weakly prime, because it can be changed into another prime (487006789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243503369 + 243503370.

It is an arithmetic number, because the mean of its divisors is an integer number (243503370).

Almost surely, 2^487006739 is an apocalyptic number.

487006739 is a deficient number, since it is larger than the sum of its proper divisors (1).

487006739 is an equidigital number, since it uses as much as digits as its factorization.

487006739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 487006739 is about 22068.2291768053. The cubic root of 487006739 is about 786.7649250251.

The spelling of 487006739 in words is "four hundred eighty-seven million, six thousand, seven hundred thirty-nine".