79954928829504 has 189 divisors, whose sum is σ = 237995998993207. Its totient is φ = 26649711524736.

The previous prime is 79954928829367. The next prime is 79954928829521. The reversal of 79954928829504 is 40592882945997.

The square root of 79954928829504 is 8941752.

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

79954928829504 is a `hidden beast` number, since 7 + 9 + 9 + 5 + 4 + 9 + 2 + 88 + 29 + 504 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5794248397 + ... + 5794262195.

Almost surely, 2^{79954928829504} is an apocalyptic number.

79954928829504 is the 8941752-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79954928829504

79954928829504 is an abundant number, since it is smaller than the sum of its proper divisors (158041070163703).

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

79954928829504 is an frugal number, since it uses more digits than its factorization.

79954928829504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27634 (or 13804 counting only the distinct ones).

The product of its (nonzero) digits is 4702924800, while the sum is 81.

79954928829504 divided by its sum of digits (81) gives a square (987097886784 = 993528²).

The spelling of 79954928829504 in words is "seventy-nine trillion, nine hundred fifty-four billion, nine hundred twenty-eight million, eight hundred twenty-nine thousand, five hundred four".