974320871 has 4 divisors (see below), whose sum is σ = 1016682672. Its totient is φ = 931959072.

The previous prime is 974320861. The next prime is 974320873. The reversal of 974320871 is 178023479.

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

It is a cyclic number.

It is not a de Polignac number, because 974320871 - 2¹⁰ = 974319847 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 (974320873) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21180866 + ... + 21180911.

It is an arithmetic number, because the mean of its divisors is an integer number (254170668).

Almost surely, 2^974320871 is an apocalyptic number.

974320871 is a deficient number, since it is larger than the sum of its proper divisors (42361801).

974320871 is a wasteful number, since it uses less digits than its factorization.

974320871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42361800.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 974320871 is about 31214.1133303511. The cubic root of 974320871 is about 991.3659582019.

The spelling of 974320871 in words is "nine hundred seventy-four million, three hundred twenty thousand, eight hundred seventy-one".