89121740675 has 12 divisors (see below), whose sum is σ = 120557409576. Its totient is φ = 64815811200.

The previous prime is 89121740671. The next prime is 89121740677. The reversal of 89121740675 is 57604712198.

It is a happy number.

It is not a de Polignac number, because 89121740675 - 2² = 89121740671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89121740671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162039254 + ... + 162039803.

It is an arithmetic number, because the mean of its divisors is an integer number (10046450798).

Almost surely, 2^89121740675 is an apocalyptic number.

89121740675 is a deficient number, since it is larger than the sum of its proper divisors (31435668901).

89121740675 is a wasteful number, since it uses less digits than its factorization.

89121740675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324079078 (or 324079073 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 89121740675 in words is "eighty-nine billion, one hundred twenty-one million, seven hundred forty thousand, six hundred seventy-five".