47112587 has 4 divisors (see below), whose sum is σ = 47216136. Its totient is φ = 47009040.

The previous prime is 47112553. The next prime is 47112589. The reversal of 47112587 is 78521174.

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

It is a cyclic number.

It is not a de Polignac number, because 47112587 - 2¹⁸ = 46850443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47112589) 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, 51089 + ... + 52002.

It is an arithmetic number, because the mean of its divisors is an integer number (11804034).

Almost surely, 2^47112587 is an apocalyptic number.

47112587 is a deficient number, since it is larger than the sum of its proper divisors (103549).

47112587 is a wasteful number, since it uses less digits than its factorization.

47112587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103548.

The product of its digits is 15680, while the sum is 35.

The square root of 47112587 is about 6863.8609397336. The cubic root of 47112587 is about 361.1705391495.

The spelling of 47112587 in words is "forty-seven million, one hundred twelve thousand, five hundred eighty-seven".