79109549998080 has 960 divisors, whose sum is σ = 299758094254080. Its totient is φ = 17433310003200.

The previous prime is 79109549998067. The next prime is 79109549998099. The reversal of 79109549998080 is 8089994590197.

It is a tau number, because it is divible by the number of its divisors (960).

It is a junction number, because it is equal to n+sod(n) for n = 79109549997987 and 79109549998005.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14985704881 + ... + 14985710159.

It is an arithmetic number, because the mean of its divisors is an integer number (312248014848).

Almost surely, 2^{79109549998080} is an apocalyptic number.

79109549998080 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79109549998080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149879047127040).

79109549998080 is an abundant number, since it is smaller than the sum of its proper divisors (220648544256000).

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

79109549998080 is a wasteful number, since it uses less digits than its factorization.

79109549998080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5634 (or 5608 counting only the distinct ones).

The product of its (nonzero) digits is 529079040, while the sum is 78.

The spelling of 79109549998080 in words is "seventy-nine trillion, one hundred nine billion, five hundred forty-nine million, nine hundred ninety-eight thousand, eighty".