79696748140 has 24 divisors (see below), whose sum is σ = 167383903680. Its totient is φ = 31874750208.

The previous prime is 79696748111. The next prime is 79696748189. The reversal of 79696748140 is 4184769697.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78532 + ... + 406891.

It is an arithmetic number, because the mean of its divisors is an integer number (6974329320).

Almost surely, 2^79696748140 is an apocalyptic number.

It is an amenable number.

79696748140 is an abundant number, since it is smaller than the sum of its proper divisors (87687155540).

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

79696748140 is a wasteful number, since it uses less digits than its factorization.

79696748140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493641 (or 493639 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 79696748140 in words is "seventy-nine billion, six hundred ninety-six million, seven hundred forty-eight thousand, one hundred forty".