89371789 has 4 divisors (see below), whose sum is σ = 96246556. Its totient is φ = 82497024.

The previous prime is 89371787. The next prime is 89371837. The reversal of 89371789 is 98717398.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7469289 + 81902500 = 2733^2 + 9050^2 .

It is a cyclic number.

It is not a de Polignac number, because 89371789 - 2¹ = 89371787 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 (89371787) 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, 3437364 + ... + 3437389.

It is an arithmetic number, because the mean of its divisors is an integer number (24061639).

Almost surely, 2^89371789 is an apocalyptic number.

It is an amenable number.

89371789 is a deficient number, since it is larger than the sum of its proper divisors (6874767).

89371789 is a wasteful number, since it uses less digits than its factorization.

89371789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874766.

The product of its digits is 762048, while the sum is 52.

The square root of 89371789 is about 9453.6653738114. The cubic root of 89371789 is about 447.0953474033.

The spelling of 89371789 in words is "eighty-nine million, three hundred seventy-one thousand, seven hundred eighty-nine".