79796320369920 has 4608 divisors, whose sum is σ = 373236885504000. Its totient is φ = 15996911616000.

The previous prime is 79796320369903. The next prime is 79796320369939. The reversal of 79796320369920 is 2996302369797.

79796320369920 is a `hidden beast` number, since 7 + 97 + 96 + 3 + 2 + 0 + 369 + 92 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 790062577870 + ... + 790062577970.

It is an arithmetic number, because the mean of its divisors is an integer number (80997588000).

Almost surely, 2^{79796320369920} is an apocalyptic number.

79796320369920 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 79796320369920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186618442752000).

79796320369920 is an abundant number, since it is smaller than the sum of its proper divisors (293440565134080).

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

79796320369920 is a wasteful number, since it uses less digits than its factorization.

79796320369920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 416649744, while the sum is 72.

The spelling of 79796320369920 in words is "seventy-nine trillion, seven hundred ninety-six billion, three hundred twenty million, three hundred sixty-nine thousand, nine hundred twenty".