89180113609 has 8 divisors (see below), whose sum is σ = 90892150920. Its totient is φ = 87469165056.

The previous prime is 89180113601. The next prime is 89180113621. The reversal of 89180113609 is 90631108198.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19945347984 + 69234765625 = 141228^2 + 263125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89180113609 - 2³ = 89180113601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89180113601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105832 + ... + 435385.

It is an arithmetic number, because the mean of its divisors is an integer number (11361518865).

Almost surely, 2^89180113609 is an apocalyptic number.

It is an amenable number.

89180113609 is a deficient number, since it is larger than the sum of its proper divisors (1712037311).

89180113609 is a wasteful number, since it uses less digits than its factorization.

89180113609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544379.

The product of its (nonzero) digits is 93312, while the sum is 46.

The spelling of 89180113609 in words is "eighty-nine billion, one hundred eighty million, one hundred thirteen thousand, six hundred nine".