89131533730 has 32 divisors (see below), whose sum is σ = 161095593456. Its totient is φ = 35506335744.

The previous prime is 89131533721. The next prime is 89131533761. The reversal of 89131533730 is 3733513198.

It can be written as a sum of positive squares in 8 ways, for example, as 45731394801 + 43400138929 = 213849^2 + 208327^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6577522 + ... + 6591058.

Almost surely, 2^89131533730 is an apocalyptic number.

89131533730 is a deficient number, since it is larger than the sum of its proper divisors (71964059726).

89131533730 is a wasteful number, since it uses less digits than its factorization.

89131533730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16198.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 89131533730 in words is "eighty-nine billion, one hundred thirty-one million, five hundred thirty-three thousand, seven hundred thirty".