99993671 has 2 divisors, whose sum is σ = 99993672. Its totient is φ = 99993670.

The previous prime is 99993611. The next prime is 99993679. The reversal of 99993671 is 17639999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99993671 - 2²² = 95799367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99993679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49996835 + 49996836.

It is an arithmetic number, because the mean of its divisors is an integer number (49996836).

Almost surely, 2^99993671 is an apocalyptic number.

99993671 is a deficient number, since it is larger than the sum of its proper divisors (1).

99993671 is an equidigital number, since it uses as much as digits as its factorization.

99993671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 826686, while the sum is 53.

The square root of 99993671 is about 9999.6835449928. The cubic root of 99993671 is about 464.1490909494.

The spelling of 99993671 in words is "ninety-nine million, nine hundred ninety-three thousand, six hundred seventy-one".