89072124729 has 16 divisors (see below), whose sum is σ = 136513517952. Its totient is φ = 50604144768.

The previous prime is 89072124703. The next prime is 89072124749. The reversal of 89072124729 is 92742127098.

It is not a de Polignac number, because 89072124729 - 2¹¹ = 89072122681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89072124749) by changing a digit.

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, 12255124 + ... + 12262389.

It is an arithmetic number, because the mean of its divisors is an integer number (8532094872).

Almost surely, 2^89072124729 is an apocalyptic number.

It is an amenable number.

89072124729 is a deficient number, since it is larger than the sum of its proper divisors (47441393223).

89072124729 is a wasteful number, since it uses less digits than its factorization.

89072124729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24517696.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 89072124729 in words is "eighty-nine billion, seventy-two million, one hundred twenty-four thousand, seven hundred twenty-nine".