89666839080 has 1024 divisors, whose sum is σ = 399974400000. Its totient is φ = 17333637120.

The previous prime is 89666839079. The next prime is 89666839103. The reversal of 89666839080 is 8093866698.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 89666838999 and 89666839017.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 57886146 + ... + 57887694.

It is an arithmetic number, because the mean of its divisors is an integer number (390600000).

Almost surely, 2^89666839080 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 89666839080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199987200000).

89666839080 is an abundant number, since it is smaller than the sum of its proper divisors (310307560920).

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

89666839080 is a wasteful number, since it uses less digits than its factorization.

89666839080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1629 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The spelling of 89666839080 in words is "eighty-nine billion, six hundred sixty-six million, eight hundred thirty-nine thousand, eighty".