971488188564 has 48 divisors (see below), whose sum is σ = 2281866189120. Its totient is φ = 321681713920.

The previous prime is 971488188551. The next prime is 971488188581. The reversal of 971488188564 is 465881884179.

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 15 ways as a sum of consecutive naturals, for example, 1809754 + ... + 2284334.

It is an arithmetic number, because the mean of its divisors is an integer number (47538878940).

Almost surely, 2^971488188564 is an apocalyptic number.

It is an amenable number.

971488188564 is an abundant number, since it is smaller than the sum of its proper divisors (1310378000556).

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

971488188564 is a wasteful number, since it uses less digits than its factorization.

971488188564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475720 (or 475718 counting only the distinct ones).

The product of its digits is 123863040, while the sum is 69.

The spelling of 971488188564 in words is "nine hundred seventy-one billion, four hundred eighty-eight million, one hundred eighty-eight thousand, five hundred sixty-four".