47880317 has 2 divisors, whose sum is σ = 47880318. Its totient is φ = 47880316.

The previous prime is 47880311. The next prime is 47880353. The reversal of 47880317 is 71308874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45010681 + 2869636 = 6709^2 + 1694^2 .

It is a cyclic number.

It is not a de Polignac number, because 47880317 - 2⁸ = 47880061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47880311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23940158 + 23940159.

It is an arithmetic number, because the mean of its divisors is an integer number (23940159).

Almost surely, 2^47880317 is an apocalyptic number.

It is an amenable number.

47880317 is a deficient number, since it is larger than the sum of its proper divisors (1).

47880317 is an equidigital number, since it uses as much as digits as its factorization.

47880317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 47880317 is about 6919.5604629196. The cubic root of 47880317 is about 363.1218137775.

The spelling of 47880317 in words is "forty-seven million, eight hundred eighty thousand, three hundred seventeen".