47978083 has 2 divisors, whose sum is σ = 47978084. Its totient is φ = 47978082.

The previous prime is 47978057. The next prime is 47978087. The reversal of 47978083 is 38087974.

47978083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47978083 - 2¹⁷ = 47847011 is a prime.

It is not a weakly prime, because it can be changed into another prime (47978087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23989041 + 23989042.

It is an arithmetic number, because the mean of its divisors is an integer number (23989042).

Almost surely, 2^47978083 is an apocalyptic number.

47978083 is a deficient number, since it is larger than the sum of its proper divisors (1).

47978083 is an equidigital number, since it uses as much as digits as its factorization.

47978083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 47978083 is about 6926.6213264477. The cubic root of 47978083 is about 363.3687964899.

It can be divided in two parts, 4797 and 8083, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 47978083 in words is "forty-seven million, nine hundred seventy-eight thousand, eighty-three".