47327279 has 2 divisors, whose sum is σ = 47327280. Its totient is φ = 47327278.

The previous prime is 47327257. The next prime is 47327311. The reversal of 47327279 is 97272374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47327279 - 2⁸ = 47327023 is a prime.

It is a Sophie Germain 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 (47327209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23663639 + 23663640.

It is an arithmetic number, because the mean of its divisors is an integer number (23663640).

Almost surely, 2^47327279 is an apocalyptic number.

47327279 is a deficient number, since it is larger than the sum of its proper divisors (1).

47327279 is an equidigital number, since it uses as much as digits as its factorization.

47327279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148176, while the sum is 41.

The square root of 47327279 is about 6879.4824659999. The cubic root of 47327279 is about 361.7183258008.

The spelling of 47327279 in words is "forty-seven million, three hundred twenty-seven thousand, two hundred seventy-nine".