98889494089 has 3 divisors (see below), whose sum is σ = 98889808557. Its totient is φ = 98889179622.

The previous prime is 98889494087. The next prime is 98889494117. The reversal of 98889494089 is 98049498889.

The square root of 98889494089 is 314467.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98049498889 = 5503 ⋅17817463.

It is not a de Polignac number, because 98889494089 - 2¹ = 98889494087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98889494087) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 157234 + ... + 471700.

It is an arithmetic number, because the mean of its divisors is an integer number (32963269519).

Almost surely, 2^98889494089 is an apocalyptic number.

98889494089 is the 314467-th square number.

98889494089 is the 157234-th centered octagonal number.

It is an amenable number.

98889494089 is a deficient number, since it is larger than the sum of its proper divisors (314468).

98889494089 is an frugal number, since it uses more digits than its factorization.

98889494089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628934 (or 314467 counting only the distinct ones).

The product of its (nonzero) digits is 429981696, while the sum is 76.

The spelling of 98889494089 in words is "ninety-eight billion, eight hundred eighty-nine million, four hundred ninety-four thousand, eighty-nine".