47547867 has 4 divisors (see below), whose sum is σ = 63397160. Its totient is φ = 31698576.

The previous prime is 47547847. The next prime is 47547883. The reversal of 47547867 is 76874574.

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

It is not a de Polignac number, because 47547867 - 2¹⁵ = 47515099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47547817) 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, 7924642 + ... + 7924647.

It is an arithmetic number, because the mean of its divisors is an integer number (15849290).

Almost surely, 2^47547867 is an apocalyptic number.

47547867 is a deficient number, since it is larger than the sum of its proper divisors (15849293).

47547867 is a wasteful number, since it uses less digits than its factorization.

47547867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15849292.

The product of its digits is 1317120, while the sum is 48.

The square root of 47547867 is about 6895.4961387851. The cubic root of 47547867 is about 362.2794333203.

It can be divided in two parts, 4754 and 7867, that added together give a palindrome (12621).

The spelling of 47547867 in words is "forty-seven million, five hundred forty-seven thousand, eight hundred sixty-seven".