39069887 has 2 divisors, whose sum is σ = 39069888. Its totient is φ = 39069886.

The previous prime is 39069883. The next prime is 39069917. The reversal of 39069887 is 78896093.

39069887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39069887 - 2² = 39069883 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39069881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19534943 + 19534944.

It is an arithmetic number, because the mean of its divisors is an integer number (19534944).

Almost surely, 2^39069887 is an apocalyptic number.

39069887 is a deficient number, since it is larger than the sum of its proper divisors (1).

39069887 is an equidigital number, since it uses as much as digits as its factorization.

39069887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 39069887 is about 6250.5909320639. The cubic root of 39069887 is about 339.3235888894.

The spelling of 39069887 in words is "thirty-nine million, sixty-nine thousand, eight hundred eighty-seven".