89381267090 has 32 divisors (see below), whose sum is σ = 161950590000. Its totient is φ = 35516694528.

The previous prime is 89381267069. The next prime is 89381267113. The reversal of 89381267090 is 9076218398.

It is a Cunningham number, because it is equal to 298967²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 54621766369 + 34759500721 = 233713^2 + 186439^2 .

It is a super-2 number, since 2×89381267090² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 984746 + ... + 1071674.

Almost surely, 2^89381267090 is an apocalyptic number.

89381267090 is a deficient number, since it is larger than the sum of its proper divisors (72569322910).

89381267090 is a wasteful number, since it uses less digits than its factorization.

89381267090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87614.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 89381267090 in words is "eighty-nine billion, three hundred eighty-one million, two hundred sixty-seven thousand, ninety".