79687593216 has 432 divisors, whose sum is σ = 288378050688. Its totient is φ = 20559052800.

The previous prime is 79687593203. The next prime is 79687593263. The reversal of 79687593216 is 61239578697.

It is a super-2 number, since 2×79687593216² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

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, 27851626 + ... + 27854486.

It is an arithmetic number, because the mean of its divisors is an integer number (667541784).

Almost surely, 2^79687593216 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 79687593216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144189025344).

79687593216 is an abundant number, since it is smaller than the sum of its proper divisors (208690457472).

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

79687593216 is a wasteful number, since it uses less digits than its factorization.

79687593216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058 (or 3041 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 63.

The spelling of 79687593216 in words is "seventy-nine billion, six hundred eighty-seven million, five hundred ninety-three thousand, two hundred sixteen".