89473805568 has 432 divisors, whose sum is σ = 307958851200. Its totient is φ = 24959950848.

The previous prime is 89473805567. The next prime is 89473805623. The reversal of 89473805568 is 86550837498.

89473805568 is a `hidden beast` number, since 8 + 9 + 4 + 73 + 8 + 0 + 556 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89473805567) 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, 33980380 + ... + 33983012.

Almost surely, 2^89473805568 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 89473805568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153979425600).

89473805568 is an abundant number, since it is smaller than the sum of its proper divisors (218485045632).

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

89473805568 is a wasteful number, since it uses less digits than its factorization.

89473805568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719 (or 2688 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 63.

The spelling of 89473805568 in words is "eighty-nine billion, four hundred seventy-three million, eight hundred five thousand, five hundred sixty-eight".