47538867 has 4 divisors (see below), whose sum is σ = 63385160. Its totient is φ = 31692576.

The previous prime is 47538857. The next prime is 47538889. The reversal of 47538867 is 76883574.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 47538867 - 2²³ = 39150259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47538847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7923142 + ... + 7923147.

It is an arithmetic number, because the mean of its divisors is an integer number (15846290).

Almost surely, 2^47538867 is an apocalyptic number.

47538867 is a deficient number, since it is larger than the sum of its proper divisors (15846293).

47538867 is a wasteful number, since it uses less digits than its factorization.

47538867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15846292.

The product of its digits is 1128960, while the sum is 48.

The square root of 47538867 is about 6894.8435080138. The cubic root of 47538867 is about 362.2565741060.

The spelling of 47538867 in words is "forty-seven million, five hundred thirty-eight thousand, eight hundred sixty-seven".