968988987 has 28 divisors (see below), whose sum is σ = 1455744840. Its totient is φ = 644692608.

The previous prime is 968988973. The next prime is 968989009. The reversal of 968988987 is 789889869.

It is not a de Polignac number, because 968988987 - 2⁷ = 968988859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (968988947) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 479403 + ... + 481419.

Almost surely, 2^968988987 is an apocalyptic number.

968988987 is a deficient number, since it is larger than the sum of its proper divisors (486755853).

968988987 is an equidigital number, since it uses as much as digits as its factorization.

968988987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694 (or 2679 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 72.

The square root of 968988987 is about 31128.5879377784. The cubic root of 968988987 is about 989.5542621509.

The spelling of 968988987 in words is "nine hundred sixty-eight million, nine hundred eighty-eight thousand, nine hundred eighty-seven".