98917987444 has 12 divisors (see below), whose sum is σ = 173131971264. Its totient is φ = 49451709944.

The previous prime is 98917987439. The next prime is 98917987447. The reversal of 98917987444 is 44478971989.

98917987444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98917987447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1790332 + ... + 1844755.

It is an arithmetic number, because the mean of its divisors is an integer number (14427664272).

Almost surely, 2^98917987444 is an apocalyptic number.

It is an amenable number.

98917987444 is a deficient number, since it is larger than the sum of its proper divisors (74213983820).

98917987444 is a wasteful number, since it uses less digits than its factorization.

98917987444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641894 (or 3641892 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 70.

The spelling of 98917987444 in words is "ninety-eight billion, nine hundred seventeen million, nine hundred eighty-seven thousand, four hundred forty-four".