47147299 has 2 divisors, whose sum is σ = 47147300. Its totient is φ = 47147298.

The previous prime is 47147231. The next prime is 47147333. The reversal of 47147299 is 99274174.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47147299 - 2⁹ = 47146787 is a prime.

It is not a weakly prime, because it can be changed into another prime (47147209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23573649 + 23573650.

It is an arithmetic number, because the mean of its divisors is an integer number (23573650).

Almost surely, 2^47147299 is an apocalyptic number.

47147299 is a deficient number, since it is larger than the sum of its proper divisors (1).

47147299 is an equidigital number, since it uses as much as digits as its factorization.

47147299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 43.

The square root of 47147299 is about 6866.3890801498. The cubic root of 47147299 is about 361.2592194420.

The spelling of 47147299 in words is "forty-seven million, one hundred forty-seven thousand, two hundred ninety-nine".