91118359 has 8 divisors (see below), whose sum is σ = 93682512. Its totient is φ = 88570560.

The previous prime is 91118327. The next prime is 91118371. The reversal of 91118359 is 95381119.

It is a happy number.

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 91118359 - 2⁵ = 91118327 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 (91118389) 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, 7677 + ... + 15529.

It is an arithmetic number, because the mean of its divisors is an integer number (11710314).

Almost surely, 2^91118359 is an apocalyptic number.

91118359 is a deficient number, since it is larger than the sum of its proper divisors (2564153).

91118359 is a wasteful number, since it uses less digits than its factorization.

91118359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8177.

The product of its digits is 9720, while the sum is 37.

The square root of 91118359 is about 9545.5936955226. The cubic root of 91118359 is about 449.9890680472.

The spelling of 91118359 in words is "ninety-one million, one hundred eighteen thousand, three hundred fifty-nine".