79344888741888 has 768 divisors, whose sum is σ = 277766626766400. Its totient is φ = 19898019348480.

The previous prime is 79344888741869. The next prime is 79344888741893. The reversal of 79344888741888 is 88814788844397.

It is a tau number, because it is divible by the number of its divisors (768).

It is a super-2 number, since 2×79344888741888² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (87).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1536564006 + ... + 1536615642.

Almost surely, 2^{79344888741888} 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 79344888741888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138883313383200).

79344888741888 is an abundant number, since it is smaller than the sum of its proper divisors (198421738024512).

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

79344888741888 is a wasteful number, since it uses less digits than its factorization.

79344888741888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51724 (or 51689 counting only the distinct ones).

The product of its digits is 22196256768, while the sum is 87.

The spelling of 79344888741888 in words is "seventy-nine trillion, three hundred forty-four billion, eight hundred eighty-eight million, seven hundred forty-one thousand, eight hundred eighty-eight".