8538470084691 has 48 divisors (see below), whose sum is σ = 13081329344512. Its totient is φ = 5358253420800.

The previous prime is 8538470084671. The next prime is 8538470084701. The reversal of 8538470084691 is 1964800748358.

8538470084691 is a `hidden beast` number, since 8 + 5 + 38 + 470 + 0 + 8 + 46 + 91 = 666.

It is not a de Polignac number, because 8538470084691 - 2⁷ = 8538470084563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8538470084671) 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, 1414686 + ... + 4367868.

Almost surely, 2^{8538470084691} is an apocalyptic number.

8538470084691 is a deficient number, since it is larger than the sum of its proper divisors (4542859259821).

8538470084691 is a wasteful number, since it uses less digits than its factorization.

8538470084691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953504 (or 2953501 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 8538470084691 in words is "eight trillion, five hundred thirty-eight billion, four hundred seventy million, eighty-four thousand, six hundred ninety-one".