47980837 has 2 divisors, whose sum is σ = 47980838. Its totient is φ = 47980836.

The previous prime is 47980813. The next prime is 47980841. The reversal of 47980837 is 73808974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33189121 + 14791716 = 5761^2 + 3846^2 .

It is a cyclic number.

It is not a de Polignac number, because 47980837 - 2²³ = 39592229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47980237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23990418 + 23990419.

It is an arithmetic number, because the mean of its divisors is an integer number (23990419).

Almost surely, 2^47980837 is an apocalyptic number.

It is an amenable number.

47980837 is a deficient number, since it is larger than the sum of its proper divisors (1).

47980837 is an equidigital number, since it uses as much as digits as its factorization.

47980837 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 47980837 is about 6926.8201218164. The cubic root of 47980837 is about 363.3757489597.

The spelling of 47980837 in words is "forty-seven million, nine hundred eighty thousand, eight hundred thirty-seven".