99968568671 has 2 divisors, whose sum is σ = 99968568672. Its totient is φ = 99968568670.

The previous prime is 99968568653. The next prime is 99968568691. The reversal of 99968568671 is 17686586999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99968568671 - 2⁶ = 99968568607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99968568641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49984284335 + 49984284336.

It is an arithmetic number, because the mean of its divisors is an integer number (49984284336).

Almost surely, 2^99968568671 is an apocalyptic number.

99968568671 is a deficient number, since it is larger than the sum of its proper divisors (1).

99968568671 is an equidigital number, since it uses as much as digits as its factorization.

99968568671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352719360, while the sum is 74.

The spelling of 99968568671 in words is "ninety-nine billion, nine hundred sixty-eight million, five hundred sixty-eight thousand, six hundred seventy-one".