79068691140 has 384 divisors, whose sum is σ = 254074060800. Its totient is φ = 18265927680.

The previous prime is 79068691133. The next prime is 79068691187. The reversal of 79068691140 is 4119686097.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 72340434 + ... + 72341526.

It is an arithmetic number, because the mean of its divisors is an integer number (661651200).

Almost surely, 2^79068691140 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 79068691140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127037030400).

79068691140 is an abundant number, since it is smaller than the sum of its proper divisors (175005369660).

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

79068691140 is a wasteful number, since it uses less digits than its factorization.

79068691140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 79068691140 in words is "seventy-nine billion, sixty-eight million, six hundred ninety-one thousand, one hundred forty".