99897794 has 8 divisors (see below), whose sum is σ = 149891340. Its totient is φ = 49934016.

The previous prime is 99897773. The next prime is 99897881. The reversal of 99897794 is 49779899.

It can be written as a sum of positive squares in 2 ways, for example, as 83046769 + 16851025 = 9113^2 + 4105^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 5342 + ... + 15110.

Almost surely, 2^99897794 is an apocalyptic number.

99897794 is a deficient number, since it is larger than the sum of its proper divisors (49993546).

99897794 is a wasteful number, since it uses less digits than its factorization.

99897794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14884.

The product of its digits is 10287648, while the sum is 62.

The square root of 99897794 is about 9994.8883935740. Note that the first 3 decimals coincide. The cubic root of 99897794 is about 464.0006967142. Note that the first 3 decimals are identical.

The spelling of 99897794 in words is "ninety-nine million, eight hundred ninety-seven thousand, seven hundred ninety-four".