39242703887 has 2 divisors, whose sum is σ = 39242703888. Its totient is φ = 39242703886.

The previous prime is 39242703881. The next prime is 39242703931. The reversal of 39242703887 is 78830724293.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39242703887 - 2⁶ = 39242703823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39242703881) 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, 19621351943 + 19621351944.

It is an arithmetic number, because the mean of its divisors is an integer number (19621351944).

Almost surely, 2^39242703887 is an apocalyptic number.

39242703887 is a deficient number, since it is larger than the sum of its proper divisors (1).

39242703887 is an equidigital number, since it uses as much as digits as its factorization.

39242703887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 39242703887 in words is "thirty-nine billion, two hundred forty-two million, seven hundred three thousand, eight hundred eighty-seven".