79297311744 has 176 divisors, whose sum is σ = 268389539200. Its totient is φ = 22656319488.

The previous prime is 79297311713. The next prime is 79297311763. The reversal of 79297311744 is 44711379297.

It is a happy number.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11329 + ... + 398400.

Almost surely, 2^79297311744 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 79297311744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134194769600).

79297311744 is an abundant number, since it is smaller than the sum of its proper divisors (189092227456).

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

79297311744 is a wasteful number, since it uses less digits than its factorization.

79297311744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409765 (or 409741 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The spelling of 79297311744 in words is "seventy-nine billion, two hundred ninety-seven million, three hundred eleven thousand, seven hundred forty-four".