47909159 has 4 divisors (see below), whose sum is σ = 47923200. Its totient is φ = 47895120.

The previous prime is 47909137. The next prime is 47909201. The reversal of 47909159 is 95190974.

47909159 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 47909159 - 2²⁴ = 31131943 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 (47909119) 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, 1754 + ... + 9944.

It is an arithmetic number, because the mean of its divisors is an integer number (11980800).

Almost surely, 2^47909159 is an apocalyptic number.

47909159 is a deficient number, since it is larger than the sum of its proper divisors (14041).

47909159 is an equidigital number, since it uses as much as digits as its factorization.

47909159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14040.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 47909159 is about 6921.6442410745. The cubic root of 47909159 is about 363.1947112142.

The spelling of 47909159 in words is "forty-seven million, nine hundred nine thousand, one hundred fifty-nine".