79513425677689 has 8 divisors (see below), whose sum is σ = 83698586405280. Its totient is φ = 75328289308800.

The previous prime is 79513425677683. The next prime is 79513425677713. The reversal of 79513425677689 is 98677652431597.

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 79513425677689 - 2¹¹ = 79513425675641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79513425677683) 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, 811209 + ... + 12636649.

It is an arithmetic number, because the mean of its divisors is an integer number (10462323300660).

Almost surely, 2^{79513425677689} is an apocalyptic number.

It is an amenable number.

79513425677689 is a deficient number, since it is larger than the sum of its proper divisors (4185160727591).

79513425677689 is a wasteful number, since it uses less digits than its factorization.

79513425677689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12179351.

The product of its digits is 4800902400, while the sum is 79.

The spelling of 79513425677689 in words is "seventy-nine trillion, five hundred thirteen billion, four hundred twenty-five million, six hundred seventy-seven thousand, six hundred eighty-nine".