47111929 has 4 divisors (see below), whose sum is σ = 47243520. Its totient is φ = 46980340.

The previous prime is 47111927. The next prime is 47111951. The reversal of 47111929 is 92911174.

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 47111929 - 2¹ = 47111927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47111894 and 47111903.

It is not an unprimeable number, because it can be changed into a prime (47111927) 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, 65257 + ... + 65974.

It is an arithmetic number, because the mean of its divisors is an integer number (11810880).

Almost surely, 2^47111929 is an apocalyptic number.

It is an amenable number.

47111929 is a deficient number, since it is larger than the sum of its proper divisors (131591).

47111929 is a wasteful number, since it uses less digits than its factorization.

47111929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131590.

The product of its digits is 4536, while the sum is 34.

The square root of 47111929 is about 6863.8130073597. The cubic root of 47111929 is about 361.1688577070.

The spelling of 47111929 in words is "forty-seven million, one hundred eleven thousand, nine hundred twenty-nine".