79935323749 has 8 divisors (see below), whose sum is σ = 80732879640. Its totient is φ = 79137888000.

The previous prime is 79935323701. The next prime is 79935323753. The reversal of 79935323749 is 94732353997.

It can be written as a sum of positive squares in 4 ways, for example, as 76269868900 + 3665454849 = 276170^2 + 60543^2 .

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 79935323749 - 2³¹ = 77787840101 is a prime.

It is a super-3 number, since 3×79935323749³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79935323759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1960329 + ... + 2000689.

It is an arithmetic number, because the mean of its divisors is an integer number (10091609955).

Almost surely, 2^79935323749 is an apocalyptic number.

It is an amenable number.

79935323749 is a deficient number, since it is larger than the sum of its proper divisors (797555891).

79935323749 is a wasteful number, since it uses less digits than its factorization.

79935323749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60071.

The product of its digits is 38578680, while the sum is 61.

The spelling of 79935323749 in words is "seventy-nine billion, nine hundred thirty-five million, three hundred twenty-three thousand, seven hundred forty-nine".