99885963 has 8 divisors (see below), whose sum is σ = 136429776. Its totient is φ = 64966400.

The previous prime is 99885959. The next prime is 99885967. The reversal of 99885963 is 36958899.

It is an interprime number because it is at equal distance from previous prime (99885959) and next prime (99885967).

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 99885963 - 2² = 99885959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99885967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405918 + ... + 406163.

It is an arithmetic number, because the mean of its divisors is an integer number (17053722).

Almost surely, 2^99885963 is an apocalyptic number.

99885963 is a deficient number, since it is larger than the sum of its proper divisors (36543813).

99885963 is a wasteful number, since it uses less digits than its factorization.

99885963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812125.

The product of its digits is 4199040, while the sum is 57.

The square root of 99885963 is about 9994.2965235178. The cubic root of 99885963 is about 463.9823786288.

It can be divided in two parts, 9988 and 5963, that added together give a palindrome (15951).

The spelling of 99885963 in words is "ninety-nine million, eight hundred eighty-five thousand, nine hundred sixty-three".