89913431998 has 24 divisors (see below), whose sum is σ = 146061230400. Its totient is φ = 41493276864.

The previous prime is 89913431989. The next prime is 89913431999.

89913431998 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×89913431998³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89913431999) 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, 4346163 + ... + 4366801.

It is an arithmetic number, because the mean of its divisors is an integer number (6085884600).

Almost surely, 2^89913431998 is an apocalyptic number.

89913431998 is a deficient number, since it is larger than the sum of its proper divisors (56147798402).

89913431998 is a wasteful number, since it uses less digits than its factorization.

89913431998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33556 (or 33543 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 64.

The spelling of 89913431998 in words is "eighty-nine billion, nine hundred thirteen million, four hundred thirty-one thousand, nine hundred ninety-eight".