79791370699040 has 1152 divisors, whose sum is σ = 278157309050880. Its totient is φ = 20909275545600.

The previous prime is 79791370699013. The next prime is 79791370699043. The reversal of 79791370699040 is 4099607319797.

It is not an unprimeable number, because it can be changed into a prime (79791370699043) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1097219801 + ... + 1097292519.

It is an arithmetic number, because the mean of its divisors is an integer number (241455997440).

Almost surely, 2^{79791370699040} is an apocalyptic number.

79791370699040 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 79791370699040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139078654525440).

79791370699040 is an abundant number, since it is smaller than the sum of its proper divisors (198365938351840).

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

79791370699040 is a wasteful number, since it uses less digits than its factorization.

79791370699040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72826 (or 72805 counting only the distinct ones).

The product of its (nonzero) digits is 162030456, while the sum is 71.

The spelling of 79791370699040 in words is "seventy-nine trillion, seven hundred ninety-one billion, three hundred seventy million, six hundred ninety-nine thousand, forty".