997441159 has 16 divisors (see below), whose sum is σ = 1174076064. Its totient is φ = 835401600.

The previous prime is 997441117. The next prime is 997441171. The reversal of 997441159 is 951144799.

It is not a de Polignac number, because 997441159 - 2⁷ = 997441031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997445159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70917 + ... + 83809.

It is an arithmetic number, because the mean of its divisors is an integer number (73379754).

Almost surely, 2^997441159 is an apocalyptic number.

997441159 is a deficient number, since it is larger than the sum of its proper divisors (176634905).

997441159 is a wasteful number, since it uses less digits than its factorization.

997441159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13458.

The product of its digits is 408240, while the sum is 49.

The square root of 997441159 is about 31582.2918579384. The cubic root of 997441159 is about 999.1463244454.

The spelling of 997441159 in words is "nine hundred ninety-seven million, four hundred forty-one thousand, one hundred fifty-nine".