47894177 has 2 divisors, whose sum is σ = 47894178. Its totient is φ = 47894176.

The previous prime is 47894159. The next prime is 47894183. The reversal of 47894177 is 77149874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32535616 + 15358561 = 5704^2 + 3919^2 .

It is a cyclic number.

It is not a de Polignac number, because 47894177 - 2¹² = 47890081 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47894137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23947088 + 23947089.

It is an arithmetic number, because the mean of its divisors is an integer number (23947089).

Almost surely, 2^47894177 is an apocalyptic number.

It is an amenable number.

47894177 is a deficient number, since it is larger than the sum of its proper divisors (1).

47894177 is an equidigital number, since it uses as much as digits as its factorization.

47894177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136, while the sum is 47.

The square root of 47894177 is about 6920.5618991524. The cubic root of 47894177 is about 363.1568482350.

The spelling of 47894177 in words is "forty-seven million, eight hundred ninety-four thousand, one hundred seventy-seven".