79969846320 has 1920 divisors, whose sum is σ = 380975616000. Its totient is φ = 15289731072.

The previous prime is 79969846267. The next prime is 79969846457. The reversal of 79969846320 is 2364896997.

79969846320 is a `hidden beast` number, since 7 + 99 + 69 + 8 + 463 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 3476949829 + ... + 3476949851.

It is an arithmetic number, because the mean of its divisors is an integer number (198424800).

Almost surely, 2^79969846320 is an apocalyptic number.

79969846320 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 79969846320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190487808000).

79969846320 is an abundant number, since it is smaller than the sum of its proper divisors (301005769680).

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

79969846320 is a wasteful number, since it uses less digits than its factorization.

79969846320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 63.

The spelling of 79969846320 in words is "seventy-nine billion, nine hundred sixty-nine million, eight hundred forty-six thousand, three hundred twenty".