968510987 has 2 divisors, whose sum is σ = 968510988. Its totient is φ = 968510986.

The previous prime is 968510971. The next prime is 968511031. The reversal of 968510987 is 789015869.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 968510987 - 2⁴ = 968510971 is a prime.

It is not a weakly prime, because it can be changed into another prime (968510087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484255493 + 484255494.

It is an arithmetic number, because the mean of its divisors is an integer number (484255494).

Almost surely, 2^968510987 is an apocalyptic number.

968510987 is a deficient number, since it is larger than the sum of its proper divisors (1).

968510987 is an equidigital number, since it uses as much as digits as its factorization.

968510987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The square root of 968510987 is about 31120.9091608841. The cubic root of 968510987 is about 989.3915204539.

The spelling of 968510987 in words is "nine hundred sixty-eight million, five hundred ten thousand, nine hundred eighty-seven".