89191107 has 6 divisors (see below), whose sum is σ = 128831612. Its totient is φ = 59460732.

The previous prime is 89191097. The next prime is 89191117. The reversal of 89191107 is 70119198.

It is an interprime number because it is at equal distance from previous prime (89191097) and next prime (89191117).

It is not a de Polignac number, because 89191107 - 2⁶ = 89191043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89191117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4955053 + ... + 4955070.

Almost surely, 2^89191107 is an apocalyptic number.

89191107 is a deficient number, since it is larger than the sum of its proper divisors (39640505).

89191107 is a wasteful number, since it uses less digits than its factorization.

89191107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9910129 (or 9910126 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The square root of 89191107 is about 9444.1043513930. The cubic root of 89191107 is about 446.7938481553.

It can be divided in two parts, 89191 and 107, that added together give a palindrome (89298).

The spelling of 89191107 in words is "eighty-nine million, one hundred ninety-one thousand, one hundred seven".