8971449558 has 16 divisors (see below), whose sum is σ = 17944893120. Its totient is φ = 2990150856.

The previous prime is 8971449551. The next prime is 8971449581. The reversal of 8971449558 is 8559441798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8971449551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21028 + ... + 135591.

It is an arithmetic number, because the mean of its divisors is an integer number (1121555820).

Almost surely, 2^8971449558 is an apocalyptic number.

8971449558 is an abundant number, since it is smaller than the sum of its proper divisors (8973443562).

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

8971449558 is a wasteful number, since it uses less digits than its factorization.

8971449558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166171.

The product of its digits is 14515200, while the sum is 60.

The square root of 8971449558 is about 94717.7362377290. The cubic root of 8971449558 is about 2077.8819630145.

The spelling of 8971449558 in words is "eight billion, nine hundred seventy-one million, four hundred forty-nine thousand, five hundred fifty-eight".