78327138796 has 12 divisors (see below), whose sum is σ = 139988929248. Its totient is φ = 38330301872.

The previous prime is 78327138787. The next prime is 78327138797. The reversal of 78327138796 is 69783172387.

It is a super-2 number, since 2×78327138796² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78327138797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208316671 + ... + 208317046.

It is an arithmetic number, because the mean of its divisors is an integer number (11665744104).

Almost surely, 2^78327138796 is an apocalyptic number.

It is an amenable number.

78327138796 is a deficient number, since it is larger than the sum of its proper divisors (61661790452).

78327138796 is a wasteful number, since it uses less digits than its factorization.

78327138796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416633768 (or 416633766 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 61.

The spelling of 78327138796 in words is "seventy-eight billion, three hundred twenty-seven million, one hundred thirty-eight thousand, seven hundred ninety-six".