47968379 has 2 divisors, whose sum is σ = 47968380. Its totient is φ = 47968378.

The previous prime is 47968351. The next prime is 47968411. The reversal of 47968379 is 97386974.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47968379 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47968379.

It is not a weakly prime, because it can be changed into another prime (47968309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23984189 + 23984190.

It is an arithmetic number, because the mean of its divisors is an integer number (23984190).

Almost surely, 2^47968379 is an apocalyptic number.

47968379 is a deficient number, since it is larger than the sum of its proper divisors (1).

47968379 is an equidigital number, since it uses as much as digits as its factorization.

47968379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 53.

The square root of 47968379 is about 6925.9208052071. The cubic root of 47968379 is about 363.3442966326.

The spelling of 47968379 in words is "forty-seven million, nine hundred sixty-eight thousand, three hundred seventy-nine".