47900147 has 2 divisors, whose sum is σ = 47900148. Its totient is φ = 47900146.

The previous prime is 47900137. The next prime is 47900161. The reversal of 47900147 is 74100974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47900147 - 2⁴ = 47900131 is a prime.

It is not a weakly prime, because it can be changed into another prime (47900107) 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, 23950073 + 23950074.

It is an arithmetic number, because the mean of its divisors is an integer number (23950074).

Almost surely, 2^47900147 is an apocalyptic number.

47900147 is a deficient number, since it is larger than the sum of its proper divisors (1).

47900147 is an equidigital number, since it uses as much as digits as its factorization.

47900147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 47900147 is about 6920.9932090705. The cubic root of 47900147 is about 363.1719367520.

The spelling of 47900147 in words is "forty-seven million, nine hundred thousand, one hundred forty-seven".