39085939885 has 8 divisors (see below), whose sum is σ = 46969286040. Its totient is φ = 31224646464.

The previous prime is 39085939873. The next prime is 39085939909. The reversal of 39085939885 is 58893958093.

It can be written as a sum of positive squares in 4 ways, for example, as 2530794249 + 36555145636 = 50307^2 + 191194^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39085939885 - 2⁷ = 39085939757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39085939885.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5509282 + ... + 5516371.

It is an arithmetic number, because the mean of its divisors is an integer number (5871160755).

Almost surely, 2^39085939885 is an apocalyptic number.

It is an amenable number.

39085939885 is a deficient number, since it is larger than the sum of its proper divisors (7883346155).

39085939885 is a wasteful number, since it uses less digits than its factorization.

39085939885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11026367.

The product of its (nonzero) digits is 83980800, while the sum is 67.

The spelling of 39085939885 in words is "thirty-nine billion, eighty-five million, nine hundred thirty-nine thousand, eight hundred eighty-five".