79135843 has 8 divisors (see below), whose sum is σ = 79699968. Its totient is φ = 78574344.

The previous prime is 79135831. The next prime is 79135871. The reversal of 79135843 is 34853197.

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 79135843 - 2¹³ = 79127651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79135796 and 79135805.

It is not an unprimeable number, because it can be changed into a prime (79135543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140280 + ... + 140842.

It is an arithmetic number, because the mean of its divisors is an integer number (9962496).

Almost surely, 2^79135843 is an apocalyptic number.

79135843 is a deficient number, since it is larger than the sum of its proper divisors (564125).

79135843 is a wasteful number, since it uses less digits than its factorization.

79135843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313.

The product of its digits is 90720, while the sum is 40.

The square root of 79135843 is about 8895.8329008587. The cubic root of 79135843 is about 429.3298430659.

The spelling of 79135843 in words is "seventy-nine million, one hundred thirty-five thousand, eight hundred forty-three".