971007523922 has 18 divisors (see below), whose sum is σ = 1473248639343. Its totient is φ = 479987346784.

The previous prime is 971007523921. The next prime is 971007523933. The reversal of 971007523922 is 229325700179.

It can be written as a sum of positive squares in 5 ways, for example, as 1395097201 + 969612426721 = 37351^2 + 984689^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=696781.

It is a super-3 number, since 3×971007523922³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (971007523921) 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 8 ways as a sum of consecutive naturals, for example, 124023104 + ... + 124030932.

Almost surely, 2^971007523922 is an apocalyptic number.

971007523922 is a deficient number, since it is larger than the sum of its proper divisors (502241115421).

971007523922 is an frugal number, since it uses more digits than its factorization.

971007523922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15838 (or 7920 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 971007523922 in words is "nine hundred seventy-one billion, seven million, five hundred twenty-three thousand, nine hundred twenty-two".