47408111 has 4 divisors (see below), whose sum is σ = 47722224. Its totient is φ = 47094000.

The previous prime is 47408099. The next prime is 47408147. The reversal of 47408111 is 11180474.

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 47408111 - 2⁶ = 47408047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47408411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156830 + ... + 157131.

It is an arithmetic number, because the mean of its divisors is an integer number (11930556).

Almost surely, 2^47408111 is an apocalyptic number.

47408111 is a deficient number, since it is larger than the sum of its proper divisors (314113).

47408111 is a wasteful number, since it uses less digits than its factorization.

47408111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314112.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 47408111 is about 6885.3548201963. The cubic root of 47408111 is about 361.9241393493.

Adding to 47408111 its reverse (11180474), we get a palindrome (58588585).

The spelling of 47408111 in words is "forty-seven million, four hundred eight thousand, one hundred eleven".