89161883973 has 64 divisors (see below), whose sum is σ = 139957562880. Its totient is φ = 55987835904.

The previous prime is 89161883971. The next prime is 89161884011. The reversal of 89161883973 is 37938816198.

89161883973 is a `hidden beast` number, since 8 + 9 + 1 + 618 + 8 + 3 + 9 + 7 + 3 = 666.

It is not a de Polignac number, because 89161883973 - 2¹ = 89161883971 is a prime.

It is a super-2 number, since 2×89161883973² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89161883973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89161883971) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11013115 + ... + 11021207.

It is an arithmetic number, because the mean of its divisors is an integer number (2186836920).

Almost surely, 2^89161883973 is an apocalyptic number.

It is an amenable number.

89161883973 is a deficient number, since it is larger than the sum of its proper divisors (50795678907).

89161883973 is a wasteful number, since it uses less digits than its factorization.

89161883973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8395 (or 8389 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The spelling of 89161883973 in words is "eighty-nine billion, one hundred sixty-one million, eight hundred eighty-three thousand, nine hundred seventy-three".