89532179064 has 80 divisors (see below), whose sum is σ = 251077008600. Its totient is φ = 29807880768.

The previous prime is 89532178999. The next prime is 89532179083. The reversal of 89532179064 is 46097123598.

89532179064 is a `hidden beast` number, since 8 + 9 + 532 + 17 + 90 + 6 + 4 = 666.

It is a super-2 number, since 2×89532179064² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 89532179064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 453859 + ... + 620525.

It is a 2-persistent number, because it is pandigital, and so is 2⋅89532179064 = 179064358128, but 3⋅89532179064 = 268596537192 is not.

Almost surely, 2^89532179064 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 89532179064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125538504300).

89532179064 is an abundant number, since it is smaller than the sum of its proper divisors (161544829536).

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

89532179064 is a wasteful number, since it uses less digits than its factorization.

89532179064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167514 (or 167501 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 89532179064 in words is "eighty-nine billion, five hundred thirty-two million, one hundred seventy-nine thousand, sixty-four".