89789769216 has 320 divisors, whose sum is σ = 306793935360. Its totient is φ = 25397452800.

The previous prime is 89789769197. The next prime is 89789769233. The reversal of 89789769216 is 61296798798.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9768975 + ... + 9778161.

It is an arithmetic number, because the mean of its divisors is an integer number (958731048).

Almost surely, 2^89789769216 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 89789769216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153396967680).

89789769216 is an abundant number, since it is smaller than the sum of its proper divisors (217004166144).

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

89789769216 is a wasteful number, since it uses less digits than its factorization.

89789769216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9322 (or 9300 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 72.

The spelling of 89789769216 in words is "eighty-nine billion, seven hundred eighty-nine million, seven hundred sixty-nine thousand, two hundred sixteen".