41878919 has 2 divisors, whose sum is σ = 41878920. Its totient is φ = 41878918.

The previous prime is 41878913. The next prime is 41878937. The reversal of 41878919 is 91987814.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41878919 - 2⁸ = 41878663 is a prime.

It is a super-2 number, since 2×41878919² = 3507687713217122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41878913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20939459 + 20939460.

It is an arithmetic number, because the mean of its divisors is an integer number (20939460).

Almost surely, 2^41878919 is an apocalyptic number.

41878919 is a deficient number, since it is larger than the sum of its proper divisors (1).

41878919 is an equidigital number, since it uses as much as digits as its factorization.

41878919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 47.

The square root of 41878919 is about 6471.3923540456. The cubic root of 41878919 is about 347.2683106149.

The spelling of 41878919 in words is "forty-one million, eight hundred seventy-eight thousand, nine hundred nineteen".