89169722880 has 320 divisors, whose sum is σ = 326994928128. Its totient is φ = 20306165760.

The previous prime is 89169722857. The next prime is 89169722881. The reversal of 89169722880 is 8822796198.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89169722881) 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, 15211150 + ... + 15217010.

Almost surely, 2^89169722880 is an apocalyptic number.

89169722880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89169722880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163497464064).

89169722880 is an abundant number, since it is smaller than the sum of its proper divisors (237825205248).

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

89169722880 is a wasteful number, since it uses less digits than its factorization.

89169722880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6177 (or 6161 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 60.

The spelling of 89169722880 in words is "eighty-nine billion, one hundred sixty-nine million, seven hundred twenty-two thousand, eight hundred eighty".