47800897 has 2 divisors, whose sum is σ = 47800898. Its totient is φ = 47800896.

The previous prime is 47800873. The next prime is 47800901. The reversal of 47800897 is 79800874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28826161 + 18974736 = 5369^2 + 4356^2 .

It is a cyclic number.

It is not a de Polignac number, because 47800897 - 2⁷ = 47800769 is a prime.

It is not a weakly prime, because it can be changed into another prime (47800867) 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, 23900448 + 23900449.

It is an arithmetic number, because the mean of its divisors is an integer number (23900449).

Almost surely, 2^47800897 is an apocalyptic number.

It is an amenable number.

47800897 is a deficient number, since it is larger than the sum of its proper divisors (1).

47800897 is an equidigital number, since it uses as much as digits as its factorization.

47800897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 47800897 is about 6913.8192773604. The cubic root of 47800897 is about 362.9209302948.

The spelling of 47800897 in words is "forty-seven million, eight hundred thousand, eight hundred ninety-seven".