99968357 has 2 divisors, whose sum is σ = 99968358. Its totient is φ = 99968356.

The previous prime is 99968333. The next prime is 99968359. The reversal of 99968357 is 75386999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95863681 + 4104676 = 9791^2 + 2026^2 .

It is a cyclic number.

It is not a de Polignac number, because 99968357 - 2¹⁰ = 99967333 is a prime.

Together with 99968359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99968359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49984178 + 49984179.

It is an arithmetic number, because the mean of its divisors is an integer number (49984179).

Almost surely, 2^99968357 is an apocalyptic number.

It is an amenable number.

99968357 is a deficient number, since it is larger than the sum of its proper divisors (1).

99968357 is an equidigital number, since it uses as much as digits as its factorization.

99968357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3674160, while the sum is 56.

The square root of 99968357 is about 9998.4177248203. The cubic root of 99968357 is about 464.1099202646.

It can be divided in two parts, 99968 and 357, that multiplied together give a triangular number (35688576 = T₈₄₄₈).

The spelling of 99968357 in words is "ninety-nine million, nine hundred sixty-eight thousand, three hundred fifty-seven".