99895997 has 2 divisors, whose sum is σ = 99895998. Its totient is φ = 99895996.

The previous prime is 99895963. The next prime is 99896011. The reversal of 99895997 is 79959899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68244121 + 31651876 = 8261^2 + 5626^2 .

It is a cyclic number.

It is not a de Polignac number, because 99895997 - 2⁶ = 99895933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99895897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49947998 + 49947999.

It is an arithmetic number, because the mean of its divisors is an integer number (49947999).

Almost surely, 2^99895997 is an apocalyptic number.

It is an amenable number.

99895997 is a deficient number, since it is larger than the sum of its proper divisors (1).

99895997 is an equidigital number, since it uses as much as digits as its factorization.

99895997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16533720, while the sum is 65.

The square root of 99895997 is about 9994.7984972184. The cubic root of 99895997 is about 463.9979144897.

The spelling of 99895997 in words is "ninety-nine million, eight hundred ninety-five thousand, nine hundred ninety-seven".