89011748560 has 80 divisors (see below), whose sum is σ = 244672732800. Its totient is φ = 29465952768.

The previous prime is 89011748513. The next prime is 89011748563. The reversal of 89011748560 is 6584711098.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89011748563) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2724270 + ... + 2756749.

It is an arithmetic number, because the mean of its divisors is an integer number (3058409160).

Almost surely, 2^89011748560 is an apocalyptic number.

89011748560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89011748560 is an abundant number, since it is smaller than the sum of its proper divisors (155660984240).

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

89011748560 is a wasteful number, since it uses less digits than its factorization.

89011748560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5481068 (or 5481062 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 89011748560 in words is "eighty-nine billion, eleven million, seven hundred forty-eight thousand, five hundred sixty".