99737866 has 16 divisors (see below), whose sum is σ = 153947880. Its totient is φ = 48427200.

The previous prime is 99737851. The next prime is 99737879. The reversal of 99737866 is 66873799.

It can be written as a sum of positive squares in 4 ways, for example, as 66341025 + 33396841 = 8145^2 + 5779^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 51516 + ... + 53416.

Almost surely, 2^99737866 is an apocalyptic number.

99737866 is a deficient number, since it is larger than the sum of its proper divisors (54210014).

99737866 is a wasteful number, since it uses less digits than its factorization.

99737866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649.

The product of its digits is 3429216, while the sum is 55.

The square root of 99737866 is about 9986.8846994446. The cubic root of 99737866 is about 463.7529557138.

The spelling of 99737866 in words is "ninety-nine million, seven hundred thirty-seven thousand, eight hundred sixty-six".