28079743343718 has 256 divisors, whose sum is σ = 67420861194240. Its totient is φ = 7697048985600.

The previous prime is 28079743343693. The next prime is 28079743343767. The reversal of 28079743343718 is 81734334797082.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7395242596 + ... + 7395246392.

It is an arithmetic number, because the mean of its divisors is an integer number (263362739040).

Almost surely, 2^{28079743343718} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28079743343718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33710430597120).

28079743343718 is an abundant number, since it is smaller than the sum of its proper divisors (39341117850522).

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

28079743343718 is a wasteful number, since it uses less digits than its factorization.

28079743343718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263.

The product of its (nonzero) digits is 170698752, while the sum is 66.

The spelling of 28079743343718 in words is "twenty-eight trillion, seventy-nine billion, seven hundred forty-three million, three hundred forty-three thousand, seven hundred eighteen".