89938960064 has 56 divisors (see below), whose sum is σ = 186678051840. Its totient is φ = 42911331584.

The previous prime is 89938960031. The next prime is 89938960091. The reversal of 89938960064 is 46006983998.

It is a junction number, because it is equal to n+sod(n) for n = 89938959979 and 89938960006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543857 + ... + 689679.

It is an arithmetic number, because the mean of its divisors is an integer number (3333536640).

Almost surely, 2^89938960064 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 89938960064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93339025920).

89938960064 is an abundant number, since it is smaller than the sum of its proper divisors (96739091776).

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

89938960064 is a wasteful number, since it uses less digits than its factorization.

89938960064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146277 (or 146267 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 62.

The spelling of 89938960064 in words is "eighty-nine billion, nine hundred thirty-eight million, nine hundred sixty thousand, sixty-four".