47796839 has 2 divisors, whose sum is σ = 47796840. Its totient is φ = 47796838.

The previous prime is 47796787. The next prime is 47796869. The reversal of 47796839 is 93869774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47796839 - 2⁸ = 47796583 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 (47796869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23898419 + 23898420.

It is an arithmetic number, because the mean of its divisors is an integer number (23898420).

Almost surely, 2^47796839 is an apocalyptic number.

47796839 is a deficient number, since it is larger than the sum of its proper divisors (1).

47796839 is an equidigital number, since it uses as much as digits as its factorization.

47796839 is an evil number, because the sum of its binary digits is even.

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

The square root of 47796839 is about 6913.5258009210. The cubic root of 47796839 is about 362.9106600913.

The spelling of 47796839 in words is "forty-seven million, seven hundred ninety-six thousand, eight hundred thirty-nine".