89718841 has 4 divisors (see below), whose sum is σ = 89872272. Its totient is φ = 89565412.

The previous prime is 89718823. The next prime is 89718851. The reversal of 89718841 is 14881798.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89718841 - 2¹¹ = 89716793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89718791 and 89718800.

It is not an unprimeable number, because it can be changed into a prime (89718851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75835 + ... + 77008.

It is an arithmetic number, because the mean of its divisors is an integer number (22468068).

Almost surely, 2^89718841 is an apocalyptic number.

It is an amenable number.

89718841 is a deficient number, since it is larger than the sum of its proper divisors (153431).

89718841 is a wasteful number, since it uses less digits than its factorization.

89718841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153430.

The product of its digits is 129024, while the sum is 46.

The square root of 89718841 is about 9472.0030088678. The cubic root of 89718841 is about 447.6733259072.

The spelling of 89718841 in words is "eighty-nine million, seven hundred eighteen thousand, eight hundred forty-one".