89165728126 has 4 divisors (see below), whose sum is σ = 133748592192. Its totient is φ = 44582864062.

The previous prime is 89165728081. The next prime is 89165728133. The reversal of 89165728126 is 62182756198.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22291432030 + ... + 22291432033.

It is an arithmetic number, because the mean of its divisors is an integer number (33437148048).

Almost surely, 2^89165728126 is an apocalyptic number.

89165728126 is a deficient number, since it is larger than the sum of its proper divisors (44582864066).

89165728126 is a wasteful number, since it uses less digits than its factorization.

89165728126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44582864065.

The product of its digits is 2903040, while the sum is 55.

The spelling of 89165728126 in words is "eighty-nine billion, one hundred sixty-five million, seven hundred twenty-eight thousand, one hundred twenty-six".