47868859 has 2 divisors, whose sum is σ = 47868860. Its totient is φ = 47868858.

The previous prime is 47868851. The next prime is 47868907. The reversal of 47868859 is 95886874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47868859 - 2³ = 47868851 is a prime.

It is not a weakly prime, because it can be changed into another prime (47868851) 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, 23934429 + 23934430.

It is an arithmetic number, because the mean of its divisors is an integer number (23934430).

Almost surely, 2^47868859 is an apocalyptic number.

47868859 is a deficient number, since it is larger than the sum of its proper divisors (1).

47868859 is an equidigital number, since it uses as much as digits as its factorization.

47868859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3870720, while the sum is 55.

The square root of 47868859 is about 6918.7324706192. The cubic root of 47868859 is about 363.0928458429.

The spelling of 47868859 in words is "forty-seven million, eight hundred sixty-eight thousand, eight hundred fifty-nine".