99299957 has 2 divisors, whose sum is σ = 99299958. Its totient is φ = 99299956.

The previous prime is 99299951. The next prime is 99299983. The reversal of 99299957 is 75999299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68541841 + 30758116 = 8279^2 + 5546^2 .

It is a cyclic number.

It is not a de Polignac number, because 99299957 - 2⁸ = 99299701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99299896 and 99299905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99299951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49649978 + 49649979.

It is an arithmetic number, because the mean of its divisors is an integer number (49649979).

Almost surely, 2^99299957 is an apocalyptic number.

It is an amenable number.

99299957 is a deficient number, since it is larger than the sum of its proper divisors (1).

99299957 is an equidigital number, since it uses as much as digits as its factorization.

99299957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4133430, while the sum is 59.

The square root of 99299957 is about 9964.9363771175. The cubic root of 99299957 is about 463.0732421641.

The spelling of 99299957 in words is "ninety-nine million, two hundred ninety-nine thousand, nine hundred fifty-seven".