89681398471 has 8 divisors (see below), whose sum is σ = 102495034880. Its totient is φ = 76868264088.

The previous prime is 89681398459. The next prime is 89681398481. The reversal of 89681398471 is 17489318698.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89681398471 - 2⁹ = 89681397959 is a prime.

It is a super-3 number, since 3×89681398471³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89681398441) 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 7 ways as a sum of consecutive naturals, for example, 409150 + ... + 588868.

It is an arithmetic number, because the mean of its divisors is an integer number (12811879360).

Almost surely, 2^89681398471 is an apocalyptic number.

89681398471 is a deficient number, since it is larger than the sum of its proper divisors (12813636409).

89681398471 is a wasteful number, since it uses less digits than its factorization.

89681398471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251013.

The product of its digits is 20901888, while the sum is 64.

The spelling of 89681398471 in words is "eighty-nine billion, six hundred eighty-one million, three hundred ninety-eight thousand, four hundred seventy-one".