98744539565144 has 128 divisors (see below), whose sum is σ = 212508748800000. Its totient is φ = 42596608481280.

The previous prime is 98744539565143. The next prime is 98744539565153. The reversal of 98744539565144 is 44156593544789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98744539565143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1452796649 + ... + 1452864615.

It is an arithmetic number, because the mean of its divisors is an integer number (1660224600000).

Almost surely, 2^{98744539565144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98744539565144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106254374400000).

98744539565144 is an abundant number, since it is smaller than the sum of its proper divisors (113764209234856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98744539565144 is a wasteful number, since it uses less digits than its factorization.

98744539565144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77721 (or 77717 counting only the distinct ones).

The product of its digits is 2612736000, while the sum is 74.

The spelling of 98744539565144 in words is "ninety-eight trillion, seven hundred forty-four billion, five hundred thirty-nine million, five hundred sixty-five thousand, one hundred forty-four".