78653469328 has 40 divisors (see below), whose sum is σ = 179779366400. Its totient is φ = 32621253120.

The previous prime is 78653469277. The next prime is 78653469329. The reversal of 78653469328 is 82396435687.

It is not an unprimeable number, because it can be changed into a prime (78653469329) 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, 11323353 + ... + 11330296.

It is an arithmetic number, because the mean of its divisors is an integer number (4494484160).

Almost surely, 2^78653469328 is an apocalyptic number.

It is an amenable number.

78653469328 is an abundant number, since it is smaller than the sum of its proper divisors (101125897072).

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

78653469328 is a wasteful number, since it uses less digits than its factorization.

78653469328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22653695 (or 22653689 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 61.

The spelling of 78653469328 in words is "seventy-eight billion, six hundred fifty-three million, four hundred sixty-nine thousand, three hundred twenty-eight".