99763985 has 8 divisors (see below), whose sum is σ = 121746240. Its totient is φ = 78458224.

The previous prime is 99763981. The next prime is 99763997. The reversal of 99763985 is 58936799.

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

It is a cyclic number.

It is not a de Polignac number, because 99763985 - 2² = 99763981 is a prime.

It is a super-3 number, since 3×99763985³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99763985.

It is not an unprimeable number, because it can be changed into a prime (99763981) 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 in 7 ways as a sum of consecutive naturals, for example, 168797 + ... + 169386.

It is an arithmetic number, because the mean of its divisors is an integer number (15218280).

Almost surely, 2^99763985 is an apocalyptic number.

It is an amenable number.

99763985 is a deficient number, since it is larger than the sum of its proper divisors (21982255).

99763985 is a wasteful number, since it uses less digits than its factorization.

99763985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338247.

The product of its digits is 3674160, while the sum is 56.

The square root of 99763985 is about 9988.1922788861. The cubic root of 99763985 is about 463.7934341758.

The spelling of 99763985 in words is "ninety-nine million, seven hundred sixty-three thousand, nine hundred eighty-five".