99965853 has 16 divisors (see below), whose sum is σ = 159490240. Its totient is φ = 61517232.

The previous prime is 99965849. The next prime is 99965857. The reversal of 99965853 is 35856999.

It is an interprime number because it is at equal distance from previous prime (99965849) and next prime (99965857).

It is not a de Polignac number, because 99965853 - 2² = 99965849 is a prime.

99965853 is a modest number, since divided by 65853 gives 999 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 99965853.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 142051 + ... + 142752.

It is an arithmetic number, because the mean of its divisors is an integer number (9968140).

Almost surely, 2^99965853 is an apocalyptic number.

It is an amenable number.

99965853 is a deficient number, since it is larger than the sum of its proper divisors (59524387).

99965853 is a wasteful number, since it uses less digits than its factorization.

99965853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284825 (or 284819 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 54.

The square root of 99965853 is about 9998.2925042229. The cubic root of 99965853 is about 464.1060452353.

The spelling of 99965853 in words is "ninety-nine million, nine hundred sixty-five thousand, eight hundred fifty-three".