44078861 has 2 divisors, whose sum is σ = 44078862. Its totient is φ = 44078860.

The previous prime is 44078821. The next prime is 44078887. The reversal of 44078861 is 16887044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41538025 + 2540836 = 6445^2 + 1594^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44078861 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44078821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22039430 + 22039431.

It is an arithmetic number, because the mean of its divisors is an integer number (22039431).

Almost surely, 2^44078861 is an apocalyptic number.

It is an amenable number.

44078861 is a deficient number, since it is larger than the sum of its proper divisors (1).

44078861 is an equidigital number, since it uses as much as digits as its factorization.

44078861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 44078861 is about 6639.1912911137. The cubic root of 44078861 is about 353.2456218935.

The spelling of 44078861 in words is "forty-four million, seventy-eight thousand, eight hundred sixty-one".