79912003205 has 16 divisors (see below), whose sum is σ = 99186240000. Its totient is φ = 61743314880.

The previous prime is 79912003201. The next prime is 79912003219. The reversal of 79912003205 is 50230021997.

It is not a de Polignac number, because 79912003205 - 2² = 79912003201 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79912003201) 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, 439250 + ... + 593939.

It is an arithmetic number, because the mean of its divisors is an integer number (6199140000).

Almost surely, 2^79912003205 is an apocalyptic number.

It is an amenable number.

79912003205 is a deficient number, since it is larger than the sum of its proper divisors (19274236795).

79912003205 is a wasteful number, since it uses less digits than its factorization.

79912003205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033724.

The product of its (nonzero) digits is 34020, while the sum is 38.

The spelling of 79912003205 in words is "seventy-nine billion, nine hundred twelve million, three thousand, two hundred five".