47135899 has 2 divisors, whose sum is σ = 47135900. Its totient is φ = 47135898.

The previous prime is 47135897. The next prime is 47135939. The reversal of 47135899 is 99853174.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47135899 - 2¹ = 47135897 is a prime.

Together with 47135897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47135897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23567949 + 23567950.

It is an arithmetic number, because the mean of its divisors is an integer number (23567950).

Almost surely, 2^47135899 is an apocalyptic number.

47135899 is a deficient number, since it is larger than the sum of its proper divisors (1).

47135899 is an equidigital number, since it uses as much as digits as its factorization.

47135899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The square root of 47135899 is about 6865.5588993177. The cubic root of 47135899 is about 361.2301001558.

The spelling of 47135899 in words is "forty-seven million, one hundred thirty-five thousand, eight hundred ninety-nine".