77324134518 has 16 divisors (see below), whose sum is σ = 171831410160. Its totient is φ = 25774711488.

The previous prime is 77324134513. The next prime is 77324134549. The reversal of 77324134518 is 81543142377.

77324134518 is a `hidden beast` number, since 77 + 32 + 4 + 1 + 34 + 518 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77324134513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715964155 + ... + 715964262.

It is an arithmetic number, because the mean of its divisors is an integer number (10739463135).

Almost surely, 2^77324134518 is an apocalyptic number.

77324134518 is an abundant number, since it is smaller than the sum of its proper divisors (94507275642).

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

77324134518 is a wasteful number, since it uses less digits than its factorization.

77324134518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431928428 (or 1431928422 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The spelling of 77324134518 in words is "seventy-seven billion, three hundred twenty-four million, one hundred thirty-four thousand, five hundred eighteen".