89718541 has 4 divisors (see below), whose sum is σ = 97874784. Its totient is φ = 81562300.

The previous prime is 89718521. The next prime is 89718569. The reversal of 89718541 is 14581798.

It is a happy number.

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 89718541 - 2⁵ = 89718509 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 (89718521) 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, 4078105 + ... + 4078126.

It is an arithmetic number, because the mean of its divisors is an integer number (24468696).

Almost surely, 2^89718541 is an apocalyptic number.

It is an amenable number.

89718541 is a deficient number, since it is larger than the sum of its proper divisors (8156243).

89718541 is a wasteful number, since it uses less digits than its factorization.

89718541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8156242.

The product of its digits is 80640, while the sum is 43.

The square root of 89718541 is about 9471.9871727109. The cubic root of 89718541 is about 447.6728269330.

The spelling of 89718541 in words is "eighty-nine million, seven hundred eighteen thousand, five hundred forty-one".