79701718712 has 96 divisors (see below), whose sum is σ = 196182486000. Its totient is φ = 29981790720.

The previous prime is 79701718709. The next prime is 79701718717. The reversal of 79701718712 is 21781710797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79701718717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193637 + ... + 443732.

Almost surely, 2^79701718712 is an apocalyptic number.

It is an amenable number.

79701718712 is an abundant number, since it is smaller than the sum of its proper divisors (116480767288).

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

79701718712 is a wasteful number, since it uses less digits than its factorization.

79701718712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637429 (or 637418 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 50.

The spelling of 79701718712 in words is "seventy-nine billion, seven hundred one million, seven hundred eighteen thousand, seven hundred twelve".