79439688960 has 576 divisors, whose sum is σ = 282936955392. Its totient is φ = 18893242368.

The previous prime is 79439688953. The next prime is 79439688967. The reversal of 79439688960 is 6988693497.

It is an interprime number because it is at equal distance from previous prime (79439688953) and next prime (79439688967).

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79439688967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 235725912 + ... + 235726248.

It is an arithmetic number, because the mean of its divisors is an integer number (491209992).

Almost surely, 2^79439688960 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 79439688960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141468477696).

79439688960 is an abundant number, since it is smaller than the sum of its proper divisors (203497266432).

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

79439688960 is a wasteful number, since it uses less digits than its factorization.

79439688960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 69.

The spelling of 79439688960 in words is "seventy-nine billion, four hundred thirty-nine million, six hundred eighty-eight thousand, nine hundred sixty".