39444078007 has 2 divisors, whose sum is σ = 39444078008. Its totient is φ = 39444078006.

The previous prime is 39444077929. The next prime is 39444078013. The reversal of 39444078007 is 70087044493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39444078007 - 2²³ = 39435689399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39444078307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19722039003 + 19722039004.

It is an arithmetic number, because the mean of its divisors is an integer number (19722039004).

Almost surely, 2^39444078007 is an apocalyptic number.

39444078007 is a deficient number, since it is larger than the sum of its proper divisors (1).

39444078007 is an equidigital number, since it uses as much as digits as its factorization.

39444078007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 39444078007 in words is "thirty-nine billion, four hundred forty-four million, seventy-eight thousand, seven".