47838667 has 2 divisors, whose sum is σ = 47838668. Its totient is φ = 47838666.

The previous prime is 47838649. The next prime is 47838709. The reversal of 47838667 is 76683874.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47838667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47838667.

It is not a weakly prime, because it can be changed into another prime (47838647) 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, 23919333 + 23919334.

It is an arithmetic number, because the mean of its divisors is an integer number (23919334).

Almost surely, 2^47838667 is an apocalyptic number.

47838667 is a deficient number, since it is larger than the sum of its proper divisors (1).

47838667 is an equidigital number, since it uses as much as digits as its factorization.

47838667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 49.

The square root of 47838667 is about 6916.5502239194. The cubic root of 47838667 is about 363.0164927608.

The spelling of 47838667 in words is "forty-seven million, eight hundred thirty-eight thousand, six hundred sixty-seven".