47828317 has 4 divisors (see below), whose sum is σ = 47843136. Its totient is φ = 47813500.

The previous prime is 47828303. The next prime is 47828329. The reversal of 47828317 is 71382874.

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 47828317 - 2¹⁹ = 47304029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47828317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47828357) 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, 283 + ... + 9784.

It is an arithmetic number, because the mean of its divisors is an integer number (11960784).

Almost surely, 2^47828317 is an apocalyptic number.

It is an amenable number.

47828317 is a deficient number, since it is larger than the sum of its proper divisors (14819).

47828317 is a wasteful number, since it uses less digits than its factorization.

47828317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14818.

The product of its digits is 75264, while the sum is 40.

The square root of 47828317 is about 6915.8019780789. The cubic root of 47828317 is about 362.9903110690.

The spelling of 47828317 in words is "forty-seven million, eight hundred twenty-eight thousand, three hundred seventeen".