79265127887 has 4 divisors (see below), whose sum is σ = 86471048616. Its totient is φ = 72059207160.

The previous prime is 79265127869. The next prime is 79265127889. The reversal of 79265127887 is 78872156297.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79265127887 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 (79265127889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3602960348 + ... + 3602960369.

It is an arithmetic number, because the mean of its divisors is an integer number (21617762154).

Almost surely, 2^79265127887 is an apocalyptic number.

79265127887 is a deficient number, since it is larger than the sum of its proper divisors (7205920729).

79265127887 is a wasteful number, since it uses less digits than its factorization.

79265127887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7205920728.

The product of its digits is 23708160, while the sum is 62.

The spelling of 79265127887 in words is "seventy-nine billion, two hundred sixty-five million, one hundred twenty-seven thousand, eight hundred eighty-seven".