99995668 has 6 divisors (see below), whose sum is σ = 174992426. Its totient is φ = 49997832.

The previous prime is 99995663. The next prime is 99995669. The reversal of 99995668 is 86659999.

It can be written as a sum of positive squares in only one way, i.e., 94245264 + 5750404 = 9708^2 + 2398^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99995663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12499455 + ... + 12499462.

Almost surely, 2^99995668 is an apocalyptic number.

It is an amenable number.

99995668 is a deficient number, since it is larger than the sum of its proper divisors (74996758).

99995668 is a wasteful number, since it uses less digits than its factorization.

99995668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24998921 (or 24998919 counting only the distinct ones).

The product of its digits is 9447840, while the sum is 61.

The square root of 99995668 is about 9999.7833976542. The cubic root of 99995668 is about 464.1521808102.

The spelling of 99995668 in words is "ninety-nine million, nine hundred ninety-five thousand, six hundred sixty-eight".