89406208688 has 20 divisors (see below), whose sum is σ = 178812418368. Its totient is φ = 43261068480.

The previous prime is 89406208669. The next prime is 89406208691. The reversal of 89406208688 is 88680260498.

89406208688 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90126731 + ... + 90127722.

Almost surely, 2^89406208688 is an apocalyptic number.

It is an amenable number.

89406208688 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

89406208688 is a wasteful number, since it uses less digits than its factorization.

89406208688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180254492 (or 180254486 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 59.

The spelling of 89406208688 in words is "eighty-nine billion, four hundred six million, two hundred eight thousand, six hundred eighty-eight".