79487515967 has 4 divisors (see below), whose sum is σ = 80230390056. Its totient is φ = 78744641880.

The previous prime is 79487515813. The next prime is 79487516047. The reversal of 79487515967 is 76951578497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76951578497 = 17 ⋅4526563441.

It is a cyclic number.

It is not a de Polignac number, because 79487515967 - 2¹⁶ = 79487450431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79487515897 and 79487515906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79487515567) 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, 371436884 + ... + 371437097.

It is an arithmetic number, because the mean of its divisors is an integer number (20057597514).

Almost surely, 2^79487515967 is an apocalyptic number.

79487515967 is a deficient number, since it is larger than the sum of its proper divisors (742874089).

79487515967 is a wasteful number, since it uses less digits than its factorization.

79487515967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742874088.

The product of its digits is 133358400, while the sum is 68.

The spelling of 79487515967 in words is "seventy-nine billion, four hundred eighty-seven million, five hundred fifteen thousand, nine hundred sixty-seven".