79727469696 has 256 divisors, whose sum is σ = 270303264000. Its totient is φ = 22662291456.

The previous prime is 79727469607. The next prime is 79727469713. The reversal of 79727469696 is 69696472797.

79727469696 is a `hidden beast` number, since 7 + 9 + 72 + 7 + 469 + 6 + 96 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4757460 + ... + 4774188.

It is an arithmetic number, because the mean of its divisors is an integer number (1055872125).

Almost surely, 2^79727469696 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 79727469696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135151632000).

79727469696 is an abundant number, since it is smaller than the sum of its proper divisors (190575794304).

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

79727469696 is a wasteful number, since it uses less digits than its factorization.

79727469696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16956 (or 16938 counting only the distinct ones).

The product of its digits is 432081216, while the sum is 72.

The spelling of 79727469696 in words is "seventy-nine billion, seven hundred twenty-seven million, four hundred sixty-nine thousand, six hundred ninety-six".