79459716996 has 81 divisors (see below), whose sum is σ = 220827864439. Its totient is φ = 24073064400.

The previous prime is 79459716977. The next prime is 79459717009. The reversal of 79459716996 is 69961795497.

It is a happy number.

The square root of 79459716996 is 281886.

It is a perfect power (a square), and thus also a powerful number.

79459716996 is a `hidden beast` number, since 7 + 9 + 459 + 7 + 169 + 9 + 6 = 666.

It is a super-2 number, since 2×79459716996² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 18602341 + ... + 18606611.

Almost surely, 2^79459716996 is an apocalyptic number.

79459716996 is the 281886-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79459716996

79459716996 is an abundant number, since it is smaller than the sum of its proper divisors (141368147443).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79459716996 is a wasteful number, since it uses less digits than its factorization.

79459716996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8574 (or 4287 counting only the distinct ones).

The product of its digits is 231472080, while the sum is 72.

The spelling of 79459716996 in words is "seventy-nine billion, four hundred fifty-nine million, seven hundred sixteen thousand, nine hundred ninety-six".