99995995 has 8 divisors (see below), whose sum is σ = 130903920. Its totient is φ = 72724320.

The previous prime is 99995983. The next prime is 99995999. The reversal of 99995995 is 59959999.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99995995 - 2¹¹ = 99993947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99995999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 909000 + ... + 909109.

It is an arithmetic number, because the mean of its divisors is an integer number (16362990).

Almost surely, 2^99995995 is an apocalyptic number.

99995995 is a deficient number, since it is larger than the sum of its proper divisors (30907925).

99995995 is a wasteful number, since it uses less digits than its factorization.

99995995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818125.

The product of its digits is 13286025, while the sum is 64.

The square root of 99995995 is about 9999.7997479950. The cubic root of 99995995 is about 464.1526867575.

The spelling of 99995995 in words is "ninety-nine million, nine hundred ninety-five thousand, nine hundred ninety-five".