89873167553 has 4 divisors (see below), whose sum is σ = 96786488148. Its totient is φ = 82959846960.

The previous prime is 89873167543. The next prime is 89873167567. The reversal of 89873167553 is 35576137898.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36644679184 + 53228488369 = 191428^2 + 230713^2 .

It is a cyclic number.

It is not a de Polignac number, because 89873167553 - 2¹⁰ = 89873166529 is a prime.

It is a super-2 number, since 2×89873167553² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89873167543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3456660278 + ... + 3456660303.

It is an arithmetic number, because the mean of its divisors is an integer number (24196622037).

Almost surely, 2^89873167553 is an apocalyptic number.

It is an amenable number.

89873167553 is a deficient number, since it is larger than the sum of its proper divisors (6913320595).

89873167553 is a wasteful number, since it uses less digits than its factorization.

89873167553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6913320594.

The product of its digits is 38102400, while the sum is 62.

The spelling of 89873167553 in words is "eighty-nine billion, eight hundred seventy-three million, one hundred sixty-seven thousand, five hundred fifty-three".