96988989 has 4 divisors (see below), whose sum is σ = 129318656. Its totient is φ = 64659324.

The previous prime is 96988967. The next prime is 96989027. The reversal of 96988989 is 98988969.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 96988989 - 2⁸ = 96988733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96988919) 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 in 3 ways as a sum of consecutive naturals, for example, 16164829 + ... + 16164834.

It is an arithmetic number, because the mean of its divisors is an integer number (32329664).

Almost surely, 2^96988989 is an apocalyptic number.

It is an amenable number.

96988989 is a deficient number, since it is larger than the sum of its proper divisors (32329667).

96988989 is a wasteful number, since it uses less digits than its factorization.

96988989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32329666.

The product of its digits is 20155392, while the sum is 66.

The square root of 96988989 is about 9848.2987871002. The cubic root of 96988989 is about 459.4527029094.

The spelling of 96988989 in words is "ninety-six million, nine hundred eighty-eight thousand, nine hundred eighty-nine".