79565685803 has 8 divisors (see below), whose sum is σ = 86300802000. Its totient is φ = 73058878720.

The previous prime is 79565685799. The next prime is 79565685821. The reversal of 79565685803 is 30858656597.

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 79565685803 - 2² = 79565685799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79565685853) 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, 57076553 + ... + 57077946.

It is an arithmetic number, because the mean of its divisors is an integer number (10787600250).

Almost surely, 2^79565685803 is an apocalyptic number.

79565685803 is a deficient number, since it is larger than the sum of its proper divisors (6735116197).

79565685803 is a wasteful number, since it uses less digits than its factorization.

79565685803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114154557.

The product of its (nonzero) digits is 54432000, while the sum is 62.

The spelling of 79565685803 in words is "seventy-nine billion, five hundred sixty-five million, six hundred eighty-five thousand, eight hundred three".