8558315949447 has 48 divisors (see below), whose sum is σ = 13720518264960. Its totient is φ = 5096672280000.

The previous prime is 8558315949437. The next prime is 8558315949461. The reversal of 8558315949447 is 7449495138558.

8558315949447 is a `hidden beast` number, since 8 + 5 + 5 + 83 + 1 + 59 + 494 + 4 + 7 = 666.

It is not a de Polignac number, because 8558315949447 - 2⁷ = 8558315949319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8558315949437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12822633 + ... + 13473549.

It is an arithmetic number, because the mean of its divisors is an integer number (285844130520).

Almost surely, 2^{8558315949447} is an apocalyptic number.

8558315949447 is a deficient number, since it is larger than the sum of its proper divisors (5162202315513).

8558315949447 is a wasteful number, since it uses less digits than its factorization.

8558315949447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653244 (or 653241 counting only the distinct ones).

The product of its digits is 870912000, while the sum is 72.

The spelling of 8558315949447 in words is "eight trillion, five hundred fifty-eight billion, three hundred fifteen million, nine hundred forty-nine thousand, four hundred forty-seven".