99965858 has 8 divisors (see below), whose sum is σ = 150307920. Its totient is φ = 49863220.

The previous prime is 99965857. The next prime is 99965869. The reversal of 99965858 is 85856999.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99965797 and 99965806.

It is not an unprimeable number, because it can be changed into a prime (99965857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58808 + ... + 60483.

It is an arithmetic number, because the mean of its divisors is an integer number (18788490).

Almost surely, 2^99965858 is an apocalyptic number.

99965858 is a deficient number, since it is larger than the sum of its proper divisors (50342062).

99965858 is a wasteful number, since it uses less digits than its factorization.

99965858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119712.

The product of its digits is 6998400, while the sum is 59.

The square root of 99965858 is about 9998.2927542656. The cubic root of 99965858 is about 464.1060529731.

The spelling of 99965858 in words is "ninety-nine million, nine hundred sixty-five thousand, eight hundred fifty-eight".