79997005503803 has 8 divisors (see below), whose sum is σ = 81370408852800. Its totient is φ = 78624186218248.

The previous prime is 79997005503761. The next prime is 79997005503829. The reversal of 79997005503803 is 30830550079997.

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

It is a cyclic number.

It is not a de Polignac number, because 79997005503803 - 2⁴² = 75598958992699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79997005503803.

It is not an unprimeable number, because it can be changed into a prime (79997005503893) 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, 145739573 + ... + 146287446.

It is an arithmetic number, because the mean of its divisors is an integer number (10171301106600).

Almost surely, 2^{79997005503803} is an apocalyptic number.

79997005503803 is a deficient number, since it is larger than the sum of its proper divisors (1373403348997).

79997005503803 is a wasteful number, since it uses less digits than its factorization.

79997005503803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292031721.

The product of its (nonzero) digits is 64297800, while the sum is 65.

The spelling of 79997005503803 in words is "seventy-nine trillion, nine hundred ninety-seven billion, five million, five hundred three thousand, eight hundred three".