8538547047 has 16 divisors (see below), whose sum is σ = 11986235520. Its totient is φ = 5391727200.

The previous prime is 8538547037. The next prime is 8538547081. The reversal of 8538547047 is 7407458358.

It is not a de Polignac number, because 8538547047 - 2²⁷ = 8404329319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8538547037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375472 + ... + 397562.

It is an arithmetic number, because the mean of its divisors is an integer number (749139720).

Almost surely, 2^8538547047 is an apocalyptic number.

8538547047 is a deficient number, since it is larger than the sum of its proper divisors (3447688473).

8538547047 is a wasteful number, since it uses less digits than its factorization.

8538547047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28894.

The product of its (nonzero) digits is 3763200, while the sum is 51.

The square root of 8538547047 is about 92404.2588141910. The cubic root of 8538547047 is about 2043.9079139398.

The spelling of 8538547047 in words is "eight billion, five hundred thirty-eight million, five hundred forty-seven thousand, forty-seven".