96918891 has 4 divisors (see below), whose sum is σ = 129225192. Its totient is φ = 64612592.

The previous prime is 96918889. The next prime is 96918901. The reversal of 96918891 is 19881969.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 96918891 - 2¹ = 96918889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (96918191) 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 in 3 ways as a sum of consecutive naturals, for example, 16153146 + ... + 16153151.

It is an arithmetic number, because the mean of its divisors is an integer number (32306298).

Almost surely, 2^96918891 is an apocalyptic number.

96918891 is a deficient number, since it is larger than the sum of its proper divisors (32306301).

96918891 is a wasteful number, since it uses less digits than its factorization.

96918891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32306300.

The product of its digits is 279936, while the sum is 51.

The square root of 96918891 is about 9844.7392550539. The cubic root of 96918891 is about 459.3419876689.

The spelling of 96918891 in words is "ninety-six million, nine hundred eighteen thousand, eight hundred ninety-one".