47922179 has 4 divisors (see below), whose sum is σ = 50005776. Its totient is φ = 45838584.

The previous prime is 47922157. The next prime is 47922191. The reversal of 47922179 is 97122974.

47922179 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47922179 - 2²⁴ = 31144963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47924179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1041764 + ... + 1041809.

It is an arithmetic number, because the mean of its divisors is an integer number (12501444).

Almost surely, 2^47922179 is an apocalyptic number.

47922179 is a deficient number, since it is larger than the sum of its proper divisors (2083597).

47922179 is a wasteful number, since it uses less digits than its factorization.

47922179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083596.

The product of its digits is 63504, while the sum is 41.

The square root of 47922179 is about 6922.5847051517. The cubic root of 47922179 is about 363.2276093554.

The spelling of 47922179 in words is "forty-seven million, nine hundred twenty-two thousand, one hundred seventy-nine".