89197810680 has 512 divisors, whose sum is σ = 323594818560. Its totient is φ = 19418480640.

The previous prime is 89197810633. The next prime is 89197810763. The reversal of 89197810680 is 8601879198.

It is a self number, because there is not a number n which added to its sum of digits gives 89197810680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 44003827 + ... + 44005853.

It is an arithmetic number, because the mean of its divisors is an integer number (632021130).

Almost surely, 2^89197810680 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 89197810680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161797409280).

89197810680 is an abundant number, since it is smaller than the sum of its proper divisors (234397007880).

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

89197810680 is a wasteful number, since it uses less digits than its factorization.

89197810680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159 (or 2155 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 57.

The spelling of 89197810680 in words is "eighty-nine billion, one hundred ninety-seven million, eight hundred ten thousand, six hundred eighty".