89974734686917 has 8 divisors (see below), whose sum is σ = 94760384846400. Its totient is φ = 85194098308224.

The previous prime is 89974734686887. The next prime is 89974734686927. The reversal of 89974734686917 is 71968643747998.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 89974734686917 - 2¹⁹ = 89974734162629 is a prime.

It is a super-2 number, since 2×89974734686917² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89974734686927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253408353 + ... + 1253480134.

It is an arithmetic number, because the mean of its divisors is an integer number (11845048105800).

Almost surely, 2^{89974734686917} is an apocalyptic number.

It is an amenable number.

89974734686917 is a deficient number, since it is larger than the sum of its proper divisors (4785650159483).

89974734686917 is a wasteful number, since it uses less digits than its factorization.

89974734686917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506890395.

The product of its digits is 27653197824, while the sum is 88.

The spelling of 89974734686917 in words is "eighty-nine trillion, nine hundred seventy-four billion, seven hundred thirty-four million, six hundred eighty-six thousand, nine hundred seventeen".