98987654544 has 40 divisors (see below), whose sum is σ = 255786566112. Its totient is φ = 32987051520.

The previous prime is 98987654537. The next prime is 98987654561. The reversal of 98987654544 is 44545678989.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93634 + ... + 454689.

Almost surely, 2^98987654544 is an apocalyptic number.

It is an amenable number.

98987654544 is an abundant number, since it is smaller than the sum of its proper divisors (156798911568).

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

98987654544 is a wasteful number, since it uses less digits than its factorization.

98987654544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552095 (or 552089 counting only the distinct ones).

The product of its digits is 348364800, while the sum is 69.

The spelling of 98987654544 in words is "ninety-eight billion, nine hundred eighty-seven million, six hundred fifty-four thousand, five hundred forty-four".