41878891 has 2 divisors, whose sum is σ = 41878892. Its totient is φ = 41878890.

The previous prime is 41878847. The next prime is 41878897. The reversal of 41878891 is 19887814.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41878891 - 2⁹ = 41878379 is a prime.

It is a super-2 number, since 2×41878891² = 3507683022779762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41878897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20939445 + 20939446.

It is an arithmetic number, because the mean of its divisors is an integer number (20939446).

Almost surely, 2^41878891 is an apocalyptic number.

41878891 is a deficient number, since it is larger than the sum of its proper divisors (1).

41878891 is an equidigital number, since it uses as much as digits as its factorization.

41878891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 46.

The square root of 41878891 is about 6471.3901906777. The cubic root of 41878891 is about 347.2682332210.

The spelling of 41878891 in words is "forty-one million, eight hundred seventy-eight thousand, eight hundred ninety-one".