79399305216 has 1080 divisors, whose sum is σ = 310011470496. Its totient is φ = 20065812480.

The previous prime is 79399305203. The next prime is 79399305229. The reversal of 79399305216 is 61250399397.

It is a happy number.

79399305216 is a `hidden beast` number, since 7 + 9 + 399 + 30 + 5 + 216 = 666.

It is an interprime number because it is at equal distance from previous prime (79399305203) and next prime (79399305229).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2145927150 + ... + 2145927186.

Almost surely, 2^79399305216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79399305216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155005735248).

79399305216 is an abundant number, since it is smaller than the sum of its proper divisors (230612165280).

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

79399305216 is an equidigital number, since it uses as much as digits as its factorization.

79399305216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 54.

The spelling of 79399305216 in words is "seventy-nine billion, three hundred ninety-nine million, three hundred five thousand, two hundred sixteen".