47783317 has 8 divisors (see below), whose sum is σ = 49213496. Its totient is φ = 46360512.

The previous prime is 47783297. The next prime is 47783321. The reversal of 47783317 is 71338774.

It can be written as a sum of positive squares in 4 ways, for example, as 36554116 + 11229201 = 6046^2 + 3351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47783317 - 2⁷ = 47783189 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 47783317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47783117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13063 + ... + 16315.

It is an arithmetic number, because the mean of its divisors is an integer number (6151687).

Almost surely, 2^47783317 is an apocalyptic number.

It is an amenable number.

47783317 is a deficient number, since it is larger than the sum of its proper divisors (1430179).

47783317 is a wasteful number, since it uses less digits than its factorization.

47783317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687.

The product of its digits is 98784, while the sum is 40.

The square root of 47783317 is about 6912.5477936865. The cubic root of 47783317 is about 362.8764336942.

The spelling of 47783317 in words is "forty-seven million, seven hundred eighty-three thousand, three hundred seventeen".