47942111 has 16 divisors (see below), whose sum is σ = 58498560. Its totient is φ = 38374560.

The previous prime is 47942077. The next prime is 47942123. The reversal of 47942111 is 11124974.

It is not a de Polignac number, because 47942111 - 2¹⁸ = 47679967 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 (47942131) 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 15 ways as a sum of consecutive naturals, for example, 6905 + ... + 11981.

It is an arithmetic number, because the mean of its divisors is an integer number (3656160).

Almost surely, 2^47942111 is an apocalyptic number.

47942111 is a deficient number, since it is larger than the sum of its proper divisors (10556449).

47942111 is a wasteful number, since it uses less digits than its factorization.

47942111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174.

The product of its digits is 2016, while the sum is 29.

The square root of 47942111 is about 6924.0241911767. The cubic root of 47942111 is about 363.2779607748.

The spelling of 47942111 in words is "forty-seven million, nine hundred forty-two thousand, one hundred eleven".