47488897 has 2 divisors, whose sum is σ = 47488898. Its totient is φ = 47488896.

The previous prime is 47488877. The next prime is 47488907. The reversal of 47488897 is 79888474.

47488897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24295041 + 23193856 = 4929^2 + 4816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47488897 is a prime.

It is not a weakly prime, because it can be changed into another prime (47488817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23744448 + 23744449.

It is an arithmetic number, because the mean of its divisors is an integer number (23744449).

Almost surely, 2^47488897 is an apocalyptic number.

It is an amenable number.

47488897 is a deficient number, since it is larger than the sum of its proper divisors (1).

47488897 is an equidigital number, since it uses as much as digits as its factorization.

47488897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3612672, while the sum is 55.

The square root of 47488897 is about 6891.2188326885. The cubic root of 47488897 is about 362.1296021606.

The spelling of 47488897 in words is "forty-seven million, four hundred eighty-eight thousand, eight hundred ninety-seven".