47118869 has 4 divisors (see below), whose sum is σ = 53850144. Its totient is φ = 40387596.

The previous prime is 47118829. The next prime is 47118893. The reversal of 47118869 is 96881174.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47118869 - 2¹² = 47114773 is a prime.

It is a super-2 number, since 2×47118869² = 4440375631678322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47118829) 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, 3365627 + ... + 3365640.

It is an arithmetic number, because the mean of its divisors is an integer number (13462536).

Almost surely, 2^47118869 is an apocalyptic number.

It is an amenable number.

47118869 is a deficient number, since it is larger than the sum of its proper divisors (6731275).

47118869 is an equidigital number, since it uses as much as digits as its factorization.

47118869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6731274.

The product of its digits is 96768, while the sum is 44.

The square root of 47118869 is about 6864.3185386461. The cubic root of 47118869 is about 361.1865912822.

The spelling of 47118869 in words is "forty-seven million, one hundred eighteen thousand, eight hundred sixty-nine".