79787341512 has 36 divisors (see below), whose sum is σ = 216097208145. Its totient is φ = 26594981568.

The previous prime is 79787341507. The next prime is 79787341537. The reversal of 79787341512 is 21514378797.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

79787341512 is a `hidden beast` number, since 7 + 9 + 7 + 87 + 3 + 41 + 512 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 53836064676 + 25951276836 = 232026^2 + 161094^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=199734.

It is a super-2 number, since 2×79787341512² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2380164 + ... + 2413452.

Almost surely, 2^79787341512 is an apocalyptic number.

79787341512 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

79787341512 is an abundant number, since it is smaller than the sum of its proper divisors (136309866633).

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

79787341512 is an frugal number, since it uses more digits than its factorization.

79787341512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66590 (or 33294 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 54.

The spelling of 79787341512 in words is "seventy-nine billion, seven hundred eighty-seven million, three hundred forty-one thousand, five hundred twelve".