47888345 has 4 divisors (see below), whose sum is σ = 57466020. Its totient is φ = 38310672.

The previous prime is 47888327. The next prime is 47888377. The reversal of 47888345 is 54388874.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12652249 + 35236096 = 3557^2 + 5936^2 .

It is a cyclic number.

It is not a de Polignac number, because 47888345 - 2¹⁰ = 47887321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47888345.

It is an unprimeable number.

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, 4788830 + ... + 4788839.

It is an arithmetic number, because the mean of its divisors is an integer number (14366505).

Almost surely, 2^47888345 is an apocalyptic number.

It is an amenable number.

47888345 is a deficient number, since it is larger than the sum of its proper divisors (9577675).

47888345 is an equidigital number, since it uses as much as digits as its factorization.

47888345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9577674.

The product of its digits is 860160, while the sum is 47.

The square root of 47888345 is about 6920.1405332551. The cubic root of 47888345 is about 363.1421072871.

The spelling of 47888345 in words is "forty-seven million, eight hundred eighty-eight thousand, three hundred forty-five".