99972878843703 has 8 divisors (see below), whose sum is σ = 133298091909616. Its totient is φ = 66648125836800.

The previous prime is 99972878843699. The next prime is 99972878843711. The reversal of 99972878843703 is 30734887827999.

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

It is not a de Polignac number, because 99972878843703 - 2² = 99972878843699 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 (99972878143703) 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, 114507388 + ... + 115377153.

It is an arithmetic number, because the mean of its divisors is an integer number (16662261488702).

Almost surely, 2^{99972878843703} is an apocalyptic number.

99972878843703 is a deficient number, since it is larger than the sum of its proper divisors (33325213065913).

99972878843703 is a wasteful number, since it uses less digits than its factorization.

99972878843703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230029505.

The product of its (nonzero) digits is 9217732608, while the sum is 84.

The spelling of 99972878843703 in words is "ninety-nine trillion, nine hundred seventy-two billion, eight hundred seventy-eight million, eight hundred forty-three thousand, seven hundred three".