79713288487 has 4 divisors (see below), whose sum is σ = 91100901136. Its totient is φ = 68325675840.

The previous prime is 79713288451. The next prime is 79713288491. The reversal of 79713288487 is 78488231797.

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

It is a cyclic number.

It is not a de Polignac number, because 79713288487 - 2¹⁵ = 79713255719 is a prime.

It is a super-2 number, since 2×79713288487² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79713280487) 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, 5693806314 + ... + 5693806327.

It is an arithmetic number, because the mean of its divisors is an integer number (22775225284).

Almost surely, 2^79713288487 is an apocalyptic number.

79713288487 is a deficient number, since it is larger than the sum of its proper divisors (11387612649).

79713288487 is a wasteful number, since it uses less digits than its factorization.

79713288487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11387612648.

The product of its digits is 37933056, while the sum is 64.

The spelling of 79713288487 in words is "seventy-nine billion, seven hundred thirteen million, two hundred eighty-eight thousand, four hundred eighty-seven".