99851968 has 14 divisors (see below), whose sum is σ = 198143876. Its totient is φ = 49925952.

The previous prime is 99851963. The next prime is 99851989. The reversal of 99851968 is 86915899.

It is not an unprimeable number, because it can be changed into a prime (99851963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780030 + ... + 780157.

It is an arithmetic number, because the mean of its divisors is an integer number (14153134).

Almost surely, 2^99851968 is an apocalyptic number.

It is an amenable number.

99851968 is a deficient number, since it is larger than the sum of its proper divisors (98291908).

99851968 is a wasteful number, since it uses less digits than its factorization.

99851968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560199 (or 1560189 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 55.

The square root of 99851968 is about 9992.5956587866. The cubic root of 99851968 is about 463.9297356940.

The spelling of 99851968 in words is "ninety-nine million, eight hundred fifty-one thousand, nine hundred sixty-eight".