47638079 has 2 divisors, whose sum is σ = 47638080. Its totient is φ = 47638078.

The previous prime is 47638067. The next prime is 47638091. The reversal of 47638079 is 97083674.

It is a balanced prime because it is at equal distance from previous prime (47638067) and next prime (47638091).

It is a cyclic number.

It is not a de Polignac number, because 47638079 - 2¹⁶ = 47572543 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 (47638009) by changing a digit.

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 as a sum of consecutive naturals, namely, 23819039 + 23819040.

It is an arithmetic number, because the mean of its divisors is an integer number (23819040).

Almost surely, 2^47638079 is an apocalyptic number.

47638079 is a deficient number, since it is larger than the sum of its proper divisors (1).

47638079 is an equidigital number, since it uses as much as digits as its factorization.

47638079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 47638079 is about 6902.0344102301. The cubic root of 47638079 is about 362.5084047199.

The spelling of 47638079 in words is "forty-seven million, six hundred thirty-eight thousand, seventy-nine".