79112957687 has 8 divisors (see below), whose sum is σ = 79414963056. Its totient is φ = 78811350912.

The previous prime is 79112957669. The next prime is 79112957719. The reversal of 79112957687 is 78675921197.

It is a happy number.

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 79112957687 - 2⁸ = 79112957431 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 (79112957657) 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, 301133 + ... + 498905.

It is an arithmetic number, because the mean of its divisors is an integer number (9926870382).

Almost surely, 2^79112957687 is an apocalyptic number.

79112957687 is a deficient number, since it is larger than the sum of its proper divisors (302005369).

79112957687 is a wasteful number, since it uses less digits than its factorization.

79112957687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199297.

The product of its digits is 13335840, while the sum is 62.

The spelling of 79112957687 in words is "seventy-nine billion, one hundred twelve million, nine hundred fifty-seven thousand, six hundred eighty-seven".