89740091 has 8 divisors (see below), whose sum is σ = 102896640. Its totient is φ = 76667688.

The previous prime is 89740087. The next prime is 89740111. The reversal of 89740091 is 19004798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89740091 - 2² = 89740087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89740051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18731 + ... + 23028.

It is an arithmetic number, because the mean of its divisors is an integer number (12862080).

Almost surely, 2^89740091 is an apocalyptic number.

89740091 is a deficient number, since it is larger than the sum of its proper divisors (13156549).

89740091 is a wasteful number, since it uses less digits than its factorization.

89740091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42073.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 89740091 is about 9473.1246692947. The cubic root of 89740091 is about 447.7086670800.

The spelling of 89740091 in words is "eighty-nine million, seven hundred forty thousand, ninety-one".