79782214045212 has 144 divisors (see below), whose sum is σ = 238278821627392. Its totient is φ = 22031959305600.

The previous prime is 79782214045211. The next prime is 79782214045213. The reversal of 79782214045212 is 21254041228797.

79782214045212 is a `hidden beast` number, since 7 + 9 + 7 + 8 + 221 + 404 + 5 + 2 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (79782214045211) and next prime (79782214045213).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79782214045211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26925358 + ... + 29741205.

Almost surely, 2^{79782214045212} is an apocalyptic number.

It is an amenable number.

79782214045212 is an abundant number, since it is smaller than the sum of its proper divisors (158496607582180).

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

79782214045212 is a wasteful number, since it uses less digits than its factorization.

79782214045212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56666768 (or 56666763 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 79782214045212 in words is "seventy-nine trillion, seven hundred eighty-two billion, two hundred fourteen million, forty-five thousand, two hundred twelve".