47959897 has 2 divisors, whose sum is σ = 47959898. Its totient is φ = 47959896.

The previous prime is 47959843. The next prime is 47959931. The reversal of 47959897 is 79895974.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45954841 + 2005056 = 6779^2 + 1416^2 .

It is a cyclic number.

It is not a de Polignac number, because 47959897 - 2²³ = 39571289 is a prime.

It is not a weakly prime, because it can be changed into another prime (47959817) 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, 23979948 + 23979949.

It is an arithmetic number, because the mean of its divisors is an integer number (23979949).

Almost surely, 2^47959897 is an apocalyptic number.

It is an amenable number.

47959897 is a deficient number, since it is larger than the sum of its proper divisors (1).

47959897 is an equidigital number, since it uses as much as digits as its factorization.

47959897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 58.

The square root of 47959897 is about 6925.3084407844. The cubic root of 47959897 is about 363.3228792735.

The spelling of 47959897 in words is "forty-seven million, nine hundred fifty-nine thousand, eight hundred ninety-seven".