78324837703 has 16 divisors (see below), whose sum is σ = 90460385280. Its totient is φ = 66427386336.

The previous prime is 78324837691. The next prime is 78324837727. The reversal of 78324837703 is 30773842387.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78324837703 is a prime.

It is a super-2 number, since 2×78324837703² (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 (78324837763) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 557850 + ... + 683992.

It is an arithmetic number, because the mean of its divisors is an integer number (5653774080).

Almost surely, 2^78324837703 is an apocalyptic number.

78324837703 is a deficient number, since it is larger than the sum of its proper divisors (12135547577).

78324837703 is a wasteful number, since it uses less digits than its factorization.

78324837703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127086.

The product of its (nonzero) digits is 4741632, while the sum is 52.

The spelling of 78324837703 in words is "seventy-eight billion, three hundred twenty-four million, eight hundred thirty-seven thousand, seven hundred three".