89038994688 has 432 divisors, whose sum is σ = 308540459136. Its totient is φ = 25082265600.

The previous prime is 89038994687. The next prime is 89038994713. The reversal of 89038994688 is 88649983098.

89038994688 is a `hidden beast` number, since 89 + 0 + 3 + 89 + 9 + 468 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89038994687) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31786888 + ... + 31789688.

Almost surely, 2^89038994688 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 89038994688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154270229568).

89038994688 is an abundant number, since it is smaller than the sum of its proper divisors (219501464448).

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

89038994688 is an equidigital number, since it uses as much as digits as its factorization.

89038994688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912 (or 2886 counting only the distinct ones).

The product of its (nonzero) digits is 214990848, while the sum is 72.

The spelling of 89038994688 in words is "eighty-nine billion, thirty-eight million, nine hundred ninety-four thousand, six hundred eighty-eight".