99965803 has 4 divisors (see below), whose sum is σ = 114246640. Its totient is φ = 85684968.

The previous prime is 99965773. The next prime is 99965819. The reversal of 99965803 is 30856999.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99965803 - 2²¹ = 97868651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99965303) 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, 7140408 + ... + 7140421.

It is an arithmetic number, because the mean of its divisors is an integer number (28561660).

Almost surely, 2^99965803 is an apocalyptic number.

99965803 is a deficient number, since it is larger than the sum of its proper divisors (14280837).

99965803 is a wasteful number, since it uses less digits than its factorization.

99965803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14280836.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 99965803 is about 9998.2900037956. The cubic root of 99965803 is about 464.1059678579.

The spelling of 99965803 in words is "ninety-nine million, nine hundred sixty-five thousand, eight hundred three".