99343157 has 2 divisors, whose sum is σ = 99343158. Its totient is φ = 99343156.

The previous prime is 99343103. The next prime is 99343169. The reversal of 99343157 is 75134399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78127921 + 21215236 = 8839^2 + 4606^2 .

It is a cyclic number.

It is not a de Polignac number, because 99343157 - 2¹² = 99339061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99345157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49671578 + 49671579.

It is an arithmetic number, because the mean of its divisors is an integer number (49671579).

Almost surely, 2^99343157 is an apocalyptic number.

It is an amenable number.

99343157 is a deficient number, since it is larger than the sum of its proper divisors (1).

99343157 is an equidigital number, since it uses as much as digits as its factorization.

99343157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 41.

The square root of 99343157 is about 9967.1037418099. The cubic root of 99343157 is about 463.1403850726.

The spelling of 99343157 in words is "ninety-nine million, three hundred forty-three thousand, one hundred fifty-seven".