41778085 has 4 divisors (see below), whose sum is σ = 50133708. Its totient is φ = 33422464.

The previous prime is 41778083. The next prime is 41778101. The reversal of 41778085 is 58087714.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25786084 + 15992001 = 5078^2 + 3999^2 .

It is a cyclic number.

It is not a de Polignac number, because 41778085 - 2¹ = 41778083 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41778083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4177804 + ... + 4177813.

It is an arithmetic number, because the mean of its divisors is an integer number (12533427).

Almost surely, 2^41778085 is an apocalyptic number.

It is an amenable number.

41778085 is a deficient number, since it is larger than the sum of its proper divisors (8355623).

41778085 is an equidigital number, since it uses as much as digits as its factorization.

41778085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8355622.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 41778085 is about 6463.5969088426. The cubic root of 41778085 is about 346.9893747767.

The spelling of 41778085 in words is "forty-one million, seven hundred seventy-eight thousand, eighty-five".