47868797 has 2 divisors, whose sum is σ = 47868798. Its totient is φ = 47868796.

The previous prime is 47868781. The next prime is 47868811. The reversal of 47868797 is 79786874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31595641 + 16273156 = 5621^2 + 4034^2 .

It is a cyclic number.

It is not a de Polignac number, because 47868797 - 2⁴ = 47868781 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47868757) 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, 23934398 + 23934399.

It is an arithmetic number, because the mean of its divisors is an integer number (23934399).

Almost surely, 2^47868797 is an apocalyptic number.

It is an amenable number.

47868797 is a deficient number, since it is larger than the sum of its proper divisors (1).

47868797 is an equidigital number, since it uses as much as digits as its factorization.

47868797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4741632, while the sum is 56.

The square root of 47868797 is about 6918.7279900282. The cubic root of 47868797 is about 363.0926890830.

The spelling of 47868797 in words is "forty-seven million, eight hundred sixty-eight thousand, seven hundred ninety-seven".