79709329093 has 16 divisors (see below), whose sum is σ = 86552962240. Its totient is φ = 73167494400.

The previous prime is 79709329087. The next prime is 79709329099. The reversal of 79709329093 is 39092390797.

It is an interprime number because it is at equal distance from previous prime (79709329087) and next prime (79709329099).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79709329093 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 (79709329099) 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 15 ways as a sum of consecutive naturals, for example, 435588 + ... + 590893.

It is an arithmetic number, because the mean of its divisors is an integer number (5409560140).

Almost surely, 2^79709329093 is an apocalyptic number.

It is an amenable number.

79709329093 is a deficient number, since it is larger than the sum of its proper divisors (6843633147).

79709329093 is a wasteful number, since it uses less digits than its factorization.

79709329093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026628.

The product of its (nonzero) digits is 5786802, while the sum is 58.

The spelling of 79709329093 in words is "seventy-nine billion, seven hundred nine million, three hundred twenty-nine thousand, ninety-three".