8538065447 has 8 divisors (see below), whose sum is σ = 8610577920. Its totient is φ = 8465859000.

The previous prime is 8538065443. The next prime is 8538065461. The reversal of 8538065447 is 7445608358.

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 8538065447 - 2² = 8538065443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8538065395 and 8538065404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8538065441) 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, 20297 + ... + 132242.

It is an arithmetic number, because the mean of its divisors is an integer number (1076322240).

Almost surely, 2^8538065447 is an apocalyptic number.

8538065447 is a deficient number, since it is larger than the sum of its proper divisors (72512473).

8538065447 is a wasteful number, since it uses less digits than its factorization.

8538065447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153013.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The square root of 8538065447 is about 92401.6528369488. The cubic root of 8538065447 is about 2043.8694856782.

The spelling of 8538065447 in words is "eight billion, five hundred thirty-eight million, sixty-five thousand, four hundred forty-seven".