79845583172016 has 80 divisors (see below), whose sum is σ = 207057264495840. Its totient is φ = 26513344112640.

The previous prime is 79845583172011. The next prime is 79845583172027. The reversal of 79845583172016 is 61027138554897.

79845583172016 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (79845583172011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118985206 + ... + 119654378.

It is an arithmetic number, because the mean of its divisors is an integer number (2588215806198).

It is a 1-persistent number, because it is pandigital, but 2⋅79845583172016 = 159691166344032 is not.

Almost surely, 2^{79845583172016} is an apocalyptic number.

It is an amenable number.

79845583172016 is an abundant number, since it is smaller than the sum of its proper divisors (127211681323824).

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

79845583172016 is a wasteful number, since it uses less digits than its factorization.

79845583172016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678694 (or 678688 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 66.

The spelling of 79845583172016 in words is "seventy-nine trillion, eight hundred forty-five billion, five hundred eighty-three million, one hundred seventy-two thousand, sixteen".