47198797 has 2 divisors, whose sum is σ = 47198798. Its totient is φ = 47198796.

The previous prime is 47198777. The next prime is 47198813. The reversal of 47198797 is 79789174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24740676 + 22458121 = 4974^2 + 4739^2 .

It is a cyclic number.

It is not a de Polignac number, because 47198797 - 2¹¹ = 47196749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47198777) 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, 23599398 + 23599399.

It is an arithmetic number, because the mean of its divisors is an integer number (23599399).

Almost surely, 2^47198797 is an apocalyptic number.

It is an amenable number.

47198797 is a deficient number, since it is larger than the sum of its proper divisors (1).

47198797 is an equidigital number, since it uses as much as digits as its factorization.

47198797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 889056, while the sum is 52.

The square root of 47198797 is about 6870.1380626593. The cubic root of 47198797 is about 361.3907035224.

The spelling of 47198797 in words is "forty-seven million, one hundred ninety-eight thousand, seven hundred ninety-seven".