79272806215680 has 6656 divisors, whose sum is σ = 398577991680000. Its totient is φ = 14447384985600.

The previous prime is 79272806215627. The next prime is 79272806215703. The reversal of 79272806215680 is 8651260827297.

79272806215680 is a `hidden beast` number, since 7 + 9 + 2 + 7 + 2 + 8 + 0 + 62 + 1 + 568 + 0 = 666.

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 511 ways as a sum of consecutive naturals, for example, 727273451466 + ... + 727273451574.

Almost surely, 2^{79272806215680} is an apocalyptic number.

79272806215680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79272806215680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199288995840000).

79272806215680 is an abundant number, since it is smaller than the sum of its proper divisors (319305185464320).

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

79272806215680 is a wasteful number, since it uses less digits than its factorization.

79272806215680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 79272806215680 in words is "seventy-nine trillion, two hundred seventy-two billion, eight hundred six million, two hundred fifteen thousand, six hundred eighty".