9993711967 has 2 divisors, whose sum is σ = 9993711968. Its totient is φ = 9993711966.

The previous prime is 9993711961. The next prime is 9993711983. The reversal of 9993711967 is 7691173999.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9993711967 - 2⁷ = 9993711839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9993711961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4996855983 + 4996855984.

It is an arithmetic number, because the mean of its divisors is an integer number (4996855984).

Almost surely, 2^9993711967 is an apocalyptic number.

9993711967 is a deficient number, since it is larger than the sum of its proper divisors (1).

9993711967 is an equidigital number, since it uses as much as digits as its factorization.

9993711967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5786802, while the sum is 61.

The square root of 9993711967 is about 99968.5548910256. The cubic root of 9993711967 is about 2153.9830234679.

The spelling of 9993711967 in words is "nine billion, nine hundred ninety-three million, seven hundred eleven thousand, nine hundred sixty-seven".