79786573337 has 4 divisors (see below), whose sum is σ = 79788556596. Its totient is φ = 79784590080.

The previous prime is 79786573319. The next prime is 79786573343. The reversal of 79786573337 is 73337568797.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73337568797 = 1061 ⋅69121177.

It can be written as a sum of positive squares in 2 ways, for example, as 42157944976 + 37628628361 = 205324^2 + 193981^2 .

It is a cyclic number.

It is not a de Polignac number, because 79786573337 - 2²⁴ = 79769796121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79786573397) 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 3 ways as a sum of consecutive naturals, for example, 930008 + ... + 1012169.

It is an arithmetic number, because the mean of its divisors is an integer number (19947139149).

Almost surely, 2^79786573337 is an apocalyptic number.

It is an amenable number.

79786573337 is a deficient number, since it is larger than the sum of its proper divisors (1983259).

79786573337 is a wasteful number, since it uses less digits than its factorization.

79786573337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983258.

The product of its digits is 140026320, while the sum is 65.

The spelling of 79786573337 in words is "seventy-nine billion, seven hundred eighty-six million, five hundred seventy-three thousand, three hundred thirty-seven".