99878102303 has 4 divisors (see below), whose sum is σ = 114146402640. Its totient is φ = 85609801968.

The previous prime is 99878102299. The next prime is 99878102309. The reversal of 99878102303 is 30320187899.

It is a happy number.

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 99878102303 - 2² = 99878102299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99878102309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7134150158 + ... + 7134150171.

It is an arithmetic number, because the mean of its divisors is an integer number (28536600660).

Almost surely, 2^99878102303 is an apocalyptic number.

99878102303 is a deficient number, since it is larger than the sum of its proper divisors (14268300337).

99878102303 is a wasteful number, since it uses less digits than its factorization.

99878102303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14268300336.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 99878102303 in words is "ninety-nine billion, eight hundred seventy-eight million, one hundred two thousand, three hundred three".