8397571941 has 48 divisors (see below), whose sum is σ = 13848172800. Its totient is φ = 5024859840.

The previous prime is 8397571939. The next prime is 8397571961. The reversal of 8397571941 is 1491757938.

It is a happy number.

It is not a de Polignac number, because 8397571941 - 2¹ = 8397571939 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8397571961) 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 47 ways as a sum of consecutive naturals, for example, 241825 + ... + 274361.

It is an arithmetic number, because the mean of its divisors is an integer number (288503600).

Almost surely, 2^8397571941 is an apocalyptic number.

It is an amenable number.

8397571941 is a deficient number, since it is larger than the sum of its proper divisors (5450600859).

8397571941 is a wasteful number, since it uses less digits than its factorization.

8397571941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32647 (or 32630 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The square root of 8397571941 is about 91638.2667939546. The cubic root of 8397571941 is about 2032.5968320311.

The spelling of 8397571941 in words is "eight billion, three hundred ninety-seven million, five hundred seventy-one thousand, nine hundred forty-one".