47875829 has 2 divisors, whose sum is σ = 47875830. Its totient is φ = 47875828.

The previous prime is 47875819. The next prime is 47875837. The reversal of 47875829 is 92857874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46553329 + 1322500 = 6823^2 + 1150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47875829 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47875819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23937914 + 23937915.

It is an arithmetic number, because the mean of its divisors is an integer number (23937915).

Almost surely, 2^47875829 is an apocalyptic number.

It is an amenable number.

47875829 is a deficient number, since it is larger than the sum of its proper divisors (1).

47875829 is an equidigital number, since it uses as much as digits as its factorization.

47875829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 50.

The square root of 47875829 is about 6919.2361572648. The cubic root of 47875829 is about 363.1104678375.

The spelling of 47875829 in words is "forty-seven million, eight hundred seventy-five thousand, eight hundred twenty-nine".