78332324517 has 12 divisors (see below), whose sum is σ = 113960697760. Its totient is φ = 51845854248.

The previous prime is 78332324479. The next prime is 78332324569. The reversal of 78332324517 is 71542323387.

It is a happy number.

78332324517 is a `hidden beast` number, since 7 + 83 + 32 + 3 + 24 + 517 = 666.

It is not a de Polignac number, because 78332324517 - 2⁸ = 78332324261 is a prime.

It is a super-2 number, since 2×78332324517² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78332324717) 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 11 ways as a sum of consecutive naturals, for example, 31306633 + ... + 31309134.

Almost surely, 2^78332324517 is an apocalyptic number.

It is an amenable number.

78332324517 is a deficient number, since it is larger than the sum of its proper divisors (35628373243).

78332324517 is a wasteful number, since it uses less digits than its factorization.

78332324517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62615912 (or 62615909 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The spelling of 78332324517 in words is "seventy-eight billion, three hundred thirty-two million, three hundred twenty-four thousand, five hundred seventeen".