799539487918080 has 1536 divisors, whose sum is σ = 3178708590919680. Its totient is φ = 167063495639040.

The previous prime is 799539487918057. The next prime is 799539487918099. The reversal of 799539487918080 is 80819784935997.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1536).

It is a super-3 number, since 3×799539487918080³ (a number of 46 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 234675515737 + ... + 234675519143.

It is an arithmetic number, because the mean of its divisors is an integer number (2069471738880).

Almost surely, 2^{799539487918080} is an apocalyptic number.

799539487918080 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 799539487918080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1589354295459840).

799539487918080 is an abundant number, since it is smaller than the sum of its proper divisors (2379169103001600).

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

799539487918080 is a wasteful number, since it uses less digits than its factorization.

799539487918080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4245 (or 4225 counting only the distinct ones).

The product of its (nonzero) digits is 9876142080, while the sum is 87.

The spelling of 799539487918080 in words is "seven hundred ninety-nine trillion, five hundred thirty-nine billion, four hundred eighty-seven million, nine hundred eighteen thousand, eighty".