47311379 has 2 divisors, whose sum is σ = 47311380. Its totient is φ = 47311378.

The previous prime is 47311361. The next prime is 47311393. The reversal of 47311379 is 97311374.

47311379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47311379 - 2²⁰ = 46262803 is a prime.

It is not a weakly prime, because it can be changed into another prime (47311339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23655689 + 23655690.

It is an arithmetic number, because the mean of its divisors is an integer number (23655690).

Almost surely, 2^47311379 is an apocalyptic number.

47311379 is a deficient number, since it is larger than the sum of its proper divisors (1).

47311379 is an equidigital number, since it uses as much as digits as its factorization.

47311379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 35.

The square root of 47311379 is about 6878.3267587401. The cubic root of 47311379 is about 361.6778138192.

The spelling of 47311379 in words is "forty-seven million, three hundred eleven thousand, three hundred seventy-nine".