47732857 has 2 divisors, whose sum is σ = 47732858. Its totient is φ = 47732856.

The previous prime is 47732851. The next prime is 47732891. The reversal of 47732857 is 75823774.

47732857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30791401 + 16941456 = 5549^2 + 4116^2 .

It is a cyclic number.

It is not a de Polignac number, because 47732857 - 2¹⁹ = 47208569 is a prime.

It is not a weakly prime, because it can be changed into another prime (47732851) 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, 23866428 + 23866429.

It is an arithmetic number, because the mean of its divisors is an integer number (23866429).

Almost surely, 2^47732857 is an apocalyptic number.

It is an amenable number.

47732857 is a deficient number, since it is larger than the sum of its proper divisors (1).

47732857 is an equidigital number, since it uses as much as digits as its factorization.

47732857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 329280, while the sum is 43.

The square root of 47732857 is about 6908.8969452439. The cubic root of 47732857 is about 362.7486541310.

The spelling of 47732857 in words is "forty-seven million, seven hundred thirty-two thousand, eight hundred fifty-seven".