47715893 has 2 divisors, whose sum is σ = 47715894. Its totient is φ = 47715892.

The previous prime is 47715887. The next prime is 47715917. The reversal of 47715893 is 39851774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47087044 + 628849 = 6862^2 + 793^2 .

It is a cyclic number.

It is not a de Polignac number, because 47715893 - 2¹⁶ = 47650357 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 (47712893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23857946 + 23857947.

It is an arithmetic number, because the mean of its divisors is an integer number (23857947).

Almost surely, 2^47715893 is an apocalyptic number.

It is an amenable number.

47715893 is a deficient number, since it is larger than the sum of its proper divisors (1).

47715893 is an equidigital number, since it uses as much as digits as its factorization.

47715893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 44.

The square root of 47715893 is about 6907.6691437850. The cubic root of 47715893 is about 362.7056760673.

The spelling of 47715893 in words is "forty-seven million, seven hundred fifteen thousand, eight hundred ninety-three".