89437328544 has 48 divisors (see below), whose sum is σ = 235665726912. Its totient is φ = 29699079168.

The previous prime is 89437328531. The next prime is 89437328579. The reversal of 89437328544 is 44582373498.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1745929 + ... + 1796424.

It is an arithmetic number, because the mean of its divisors is an integer number (4909702644).

Almost surely, 2^89437328544 is an apocalyptic number.

It is an amenable number.

89437328544 is an abundant number, since it is smaller than the sum of its proper divisors (146228398368).

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

89437328544 is a wasteful number, since it uses less digits than its factorization.

89437328544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542629 (or 3542621 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 57.

The spelling of 89437328544 in words is "eighty-nine billion, four hundred thirty-seven million, three hundred twenty-eight thousand, five hundred forty-four".