79693429429512 has 192 divisors, whose sum is σ = 218406071847600. Its totient is φ = 26249108520960.

The previous prime is 79693429429511. The next prime is 79693429429531. The reversal of 79693429429512 is 21592492439697.

79693429429512 is a `hidden beast` number, since 7 + 9 + 6 + 9 + 34 + 294 + 295 + 12 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 37973275764516 + 41720153664996 = 6162246^2 + 6459114^2 .

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

It is not an unprimeable number, because it can be changed into a prime (79693429429511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16234144914 + ... + 16234149822.

Almost surely, 2^{79693429429512} is an apocalyptic number.

79693429429512 is a gapful number since it is divisible by the number (72) 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 79693429429512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109203035923800).

79693429429512 is an abundant number, since it is smaller than the sum of its proper divisors (138712642418088).

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

79693429429512 is a wasteful number, since it uses less digits than its factorization.

79693429429512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8216 (or 8209 counting only the distinct ones).

The product of its digits is 529079040, while the sum is 72.

The spelling of 79693429429512 in words is "seventy-nine trillion, six hundred ninety-three billion, four hundred twenty-nine million, four hundred twenty-nine thousand, five hundred twelve".