89665227980 has 96 divisors (see below), whose sum is σ = 202712811840. Its totient is φ = 33253355520.

The previous prime is 89665227973. The next prime is 89665227983. The reversal of 89665227980 is 8972256698.

It is a super-3 number, since 3×89665227980³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (89665227983) 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, 1270256 + ... + 1338984.

It is an arithmetic number, because the mean of its divisors is an integer number (2111591790).

Almost surely, 2^89665227980 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 89665227980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101356405920).

89665227980 is an abundant number, since it is smaller than the sum of its proper divisors (113047583860).

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

89665227980 is a wasteful number, since it uses less digits than its factorization.

89665227980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68859 (or 68857 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 89665227980 in words is "eighty-nine billion, six hundred sixty-five million, two hundred twenty-seven thousand, nine hundred eighty".