89841155 has 4 divisors (see below), whose sum is σ = 107809392. Its totient is φ = 71872920.

The previous prime is 89841133. The next prime is 89841163. The reversal of 89841155 is 55114898.

89841155 = 1716² + 1717² + ... + 1745².

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

It is not a de Polignac number, because 89841155 - 2⁸ = 89840899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8984111 + ... + 8984120.

It is an arithmetic number, because the mean of its divisors is an integer number (26952348).

Almost surely, 2^89841155 is an apocalyptic number.

89841155 is a deficient number, since it is larger than the sum of its proper divisors (17968237).

89841155 is a wasteful number, since it uses less digits than its factorization.

89841155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17968236.

The product of its digits is 57600, while the sum is 41.

The square root of 89841155 is about 9478.4574166897. The cubic root of 89841155 is about 447.8766717153.

The spelling of 89841155 in words is "eighty-nine million, eight hundred forty-one thousand, one hundred fifty-five".