41878439 has 2 divisors, whose sum is σ = 41878440. Its totient is φ = 41878438.

The previous prime is 41878411. The next prime is 41878471. The reversal of 41878439 is 93487814.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41878439 - 2²⁰ = 40829863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41878439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41871439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20939219 + 20939220.

It is an arithmetic number, because the mean of its divisors is an integer number (20939220).

Almost surely, 2^41878439 is an apocalyptic number.

41878439 is a deficient number, since it is larger than the sum of its proper divisors (1).

41878439 is an equidigital number, since it uses as much as digits as its factorization.

41878439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 41878439 is about 6471.3552676391. The cubic root of 41878439 is about 347.2669838581.

The spelling of 41878439 in words is "forty-one million, eight hundred seventy-eight thousand, four hundred thirty-nine".