39739895087 has 2 divisors, whose sum is σ = 39739895088. Its totient is φ = 39739895086.

The previous prime is 39739895051. The next prime is 39739895149. The reversal of 39739895087 is 78059893793.

39739895087 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 39739895087 - 2⁶ = 39739895023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39739895047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19869947543 + 19869947544.

It is an arithmetic number, because the mean of its divisors is an integer number (19869947544).

Almost surely, 2^39739895087 is an apocalyptic number.

39739895087 is a deficient number, since it is larger than the sum of its proper divisors (1).

39739895087 is an equidigital number, since it uses as much as digits as its factorization.

39739895087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102876480, while the sum is 68.

The spelling of 39739895087 in words is "thirty-nine billion, seven hundred thirty-nine million, eight hundred ninety-five thousand, eighty-seven".