41778069 has 16 divisors (see below), whose sum is σ = 58546752. Its totient is φ = 26466048.

The previous prime is 41778053. The next prime is 41778083. The reversal of 41778069 is 96087714.

It is not a de Polignac number, because 41778069 - 2⁴ = 41778053 is a prime.

It is a super-2 number, since 2×41778069² = 3490814098737522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 41778069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41778029) 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 15 ways as a sum of consecutive naturals, for example, 397 + ... + 9149.

It is an arithmetic number, because the mean of its divisors is an integer number (3659172).

Almost surely, 2^41778069 is an apocalyptic number.

It is an amenable number.

41778069 is a deficient number, since it is larger than the sum of its proper divisors (16768683).

41778069 is a wasteful number, since it uses less digits than its factorization.

41778069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8836.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 41778069 is about 6463.5956711416. The cubic root of 41778069 is about 346.9893304805.

It can be divided in two parts, 4177 and 8069, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 41778069 in words is "forty-one million, seven hundred seventy-eight thousand, sixty-nine".