89643223569672 has 48 divisors (see below), whose sum is σ = 257065126416540. Its totient is φ = 28123364256768.

The previous prime is 89643223569667. The next prime is 89643223569701. The reversal of 89643223569672 is 27696532234698.

89643223569672 is a `hidden beast` number, since 8 + 9 + 6 + 4 + 32 + 23 + 569 + 6 + 7 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 73260692088516 + 16382531481156 = 8559246^2 + 4047534^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 89643223569672.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36618962653 + ... + 36618965100.

Almost surely, 2^{89643223569672} is an apocalyptic number.

It is an amenable number.

89643223569672 is an abundant number, since it is smaller than the sum of its proper divisors (167421902846868).

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

89643223569672 is a wasteful number, since it uses less digits than its factorization.

89643223569672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73237927782 (or 73237927775 counting only the distinct ones).

The product of its digits is 1410877440, while the sum is 72.

The spelling of 89643223569672 in words is "eighty-nine trillion, six hundred forty-three billion, two hundred twenty-three million, five hundred sixty-nine thousand, six hundred seventy-two".