79494913344064 has 63 divisors (see below), whose sum is σ = 163379118009081. Its totient is φ = 38375856126720.

The previous prime is 79494913344019. The next prime is 79494913344083. The reversal of 79494913344064 is 46044331949497.

The square root of 79494913344064 is 8915992.

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

It can be written as a sum of positive squares in only one way, i.e., 41685204262464 + 37809709081600 = 6456408^2 + 6148960^2 .

It is a super-2 number, since 2×79494913344064² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2068490929 + ... + 2068529359.

Almost surely, 2^{79494913344064} is an apocalyptic number.

79494913344064 is the 8915992-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79494913344064

79494913344064 is an abundant number, since it is smaller than the sum of its proper divisors (83884204665017).

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

79494913344064 is an frugal number, since it uses more digits than its factorization.

79494913344064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76932 (or 38462 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 67.

The spelling of 79494913344064 in words is "seventy-nine trillion, four hundred ninety-four billion, nine hundred thirteen million, three hundred forty-four thousand, sixty-four".