1485716987 has 2 divisors, whose sum is σ = 1485716988. Its totient is φ = 1485716986.

The previous prime is 1485716891. The next prime is 1485717053. The reversal of 1485716987 is 7896175841.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7896175841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1485716987 - 2⁸ = 1485716731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1485716387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742858493 + 742858494.

It is an arithmetic number, because the mean of its divisors is an integer number (742858494).

Almost surely, 2^1485716987 is an apocalyptic number.

1485716987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485716987 is an equidigital number, since it uses as much as digits as its factorization.

1485716987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 56.

The square root of 1485716987 is about 38544.9995070697. Note that the first 3 decimals coincide. The cubic root of 1485716987 is about 1141.0693226570.

The spelling of 1485716987 in words is "one billion, four hundred eighty-five million, seven hundred sixteen thousand, nine hundred eighty-seven".