8541437897 has 8 divisors (see below), whose sum is σ = 8999813760. Its totient is φ = 8083944720.

The previous prime is 8541437869. The next prime is 8541437899. The reversal of 8541437897 is 7987341458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8541437897 - 2¹⁰ = 8541436873 is a prime.

It is a super-2 number, since 2×8541437897² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8541437899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200753 + ... + 239550.

It is an arithmetic number, because the mean of its divisors is an integer number (1124976720).

Almost surely, 2^8541437897 is an apocalyptic number.

It is an amenable number.

8541437897 is a deficient number, since it is larger than the sum of its proper divisors (458375863).

8541437897 is a wasteful number, since it uses less digits than its factorization.

8541437897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441343.

The product of its digits is 6773760, while the sum is 56.

The square root of 8541437897 is about 92419.8998971542. The cubic root of 8541437897 is about 2044.1385528869.

The spelling of 8541437897 in words is "eight billion, five hundred forty-one million, four hundred thirty-seven thousand, eight hundred ninety-seven".