89211115 has 12 divisors (see below), whose sum is σ = 124531776. Its totient is φ = 61173168.

The previous prime is 89211079. The next prime is 89211119. The reversal of 89211115 is 51111298.

It is not a de Polignac number, because 89211115 - 2⁹ = 89210603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89211119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181819 + ... + 182308.

It is an arithmetic number, because the mean of its divisors is an integer number (10377648).

Almost surely, 2^89211115 is an apocalyptic number.

89211115 is a deficient number, since it is larger than the sum of its proper divisors (35320661).

89211115 is a wasteful number, since it uses less digits than its factorization.

89211115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364146 (or 364139 counting only the distinct ones).

The product of its digits is 720, while the sum is 28.

The square root of 89211115 is about 9445.1635771965. The cubic root of 89211115 is about 446.8272550095.

The spelling of 89211115 in words is "eighty-nine million, two hundred eleven thousand, one hundred fifteen".