965039987 has 2 divisors, whose sum is σ = 965039988. Its totient is φ = 965039986.

The previous prime is 965039983. The next prime is 965040017. The reversal of 965039987 is 789930569.

It is a weak prime.

It is an emirp because it is prime and its reverse (789930569) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 965039987 - 2² = 965039983 is a prime.

It is not a weakly prime, because it can be changed into another prime (965039981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482519993 + 482519994.

It is an arithmetic number, because the mean of its divisors is an integer number (482519994).

Almost surely, 2^965039987 is an apocalyptic number.

965039987 is a deficient number, since it is larger than the sum of its proper divisors (1).

965039987 is an equidigital number, since it uses as much as digits as its factorization.

965039987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3674160, while the sum is 56.

The square root of 965039987 is about 31065.0927408884. The cubic root of 965039987 is about 988.2081614179.

The spelling of 965039987 in words is "nine hundred sixty-five million, thirty-nine thousand, nine hundred eighty-seven".