79709876829180 has 384 divisors, whose sum is σ = 293340589516800. Its totient is φ = 17780030281728.

The previous prime is 79709876829119. The next prime is 79709876829211. The reversal of 79709876829180 is 8192867890797.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 79709876829180.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9923889 + ... + 16059368.

It is an arithmetic number, because the mean of its divisors is an integer number (763907785200).

Almost surely, 2^{79709876829180} is an apocalyptic number.

It is an amenable number.

79709876829180 is an abundant number, since it is smaller than the sum of its proper divisors (213630712687620).

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

79709876829180 is a wasteful number, since it uses less digits than its factorization.

79709876829180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25983330 (or 25983322 counting only the distinct ones).

The product of its (nonzero) digits is 1536288768, while the sum is 81.

The spelling of 79709876829180 in words is "seventy-nine trillion, seven hundred nine billion, eight hundred seventy-six million, eight hundred twenty-nine thousand, one hundred eighty".