78306463324 has 12 divisors (see below), whose sum is σ = 137054754648. Its totient is φ = 39147962000.

The previous prime is 78306463307. The next prime is 78306463351. The reversal of 78306463324 is 42336460387.

It is a super-2 number, since 2×78306463324² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283887 + ... + 1343494.

It is an arithmetic number, because the mean of its divisors is an integer number (11421229554).

Almost surely, 2^78306463324 is an apocalyptic number.

It is an amenable number.

78306463324 is a deficient number, since it is larger than the sum of its proper divisors (58748291324).

78306463324 is a wasteful number, since it uses less digits than its factorization.

78306463324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634836 (or 2634834 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 46.

The spelling of 78306463324 in words is "seventy-eight billion, three hundred six million, four hundred sixty-three thousand, three hundred twenty-four".