971743608 has 256 divisors, whose sum is σ = 3096576000. Its totient is φ = 279676800.

The previous prime is 971743589. The next prime is 971743637. The reversal of 971743608 is 806347179.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5818741 + ... + 5818907.

It is an arithmetic number, because the mean of its divisors is an integer number (12096000).

Almost surely, 2^971743608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 971743608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1548288000).

971743608 is an abundant number, since it is smaller than the sum of its proper divisors (2124832392).

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

971743608 is a wasteful number, since it uses less digits than its factorization.

971743608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 971743608 is about 31172.8023764306. The cubic root of 971743608 is about 990.4910695059.

The spelling of 971743608 in words is "nine hundred seventy-one million, seven hundred forty-three thousand, six hundred eight".