99308057 has 2 divisors, whose sum is σ = 99308058. Its totient is φ = 99308056.

The previous prime is 99308029. The next prime is 99308071. The reversal of 99308057 is 75080399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93334921 + 5973136 = 9661^2 + 2444^2 .

It is a cyclic number.

It is not a de Polignac number, because 99308057 - 2⁶ = 99307993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99308257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49654028 + 49654029.

It is an arithmetic number, because the mean of its divisors is an integer number (49654029).

Almost surely, 2^99308057 is an apocalyptic number.

It is an amenable number.

99308057 is a deficient number, since it is larger than the sum of its proper divisors (1).

99308057 is an equidigital number, since it uses as much as digits as its factorization.

99308057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 99308057 is about 9965.3427939033. The cubic root of 99308057 is about 463.0858329426.

The spelling of 99308057 in words is "ninety-nine million, three hundred eight thousand, fifty-seven".