9939683087 has 2 divisors, whose sum is σ = 9939683088. Its totient is φ = 9939683086.

The previous prime is 9939683051. The next prime is 9939683101. The reversal of 9939683087 is 7803869399.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9939683087 - 2¹⁶ = 9939617551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9939683987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4969841543 + 4969841544.

It is an arithmetic number, because the mean of its divisors is an integer number (4969841544).

Almost surely, 2^9939683087 is an apocalyptic number.

9939683087 is a deficient number, since it is larger than the sum of its proper divisors (1).

9939683087 is an equidigital number, since it uses as much as digits as its factorization.

9939683087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17635968, while the sum is 62.

The square root of 9939683087 is about 99697.9592920537. The cubic root of 9939683087 is about 2150.0943233902.

The spelling of 9939683087 in words is "nine billion, nine hundred thirty-nine million, six hundred eighty-three thousand, eighty-seven".