78483345728 has 28 divisors (see below), whose sum is σ = 156523029600. Its totient is φ = 39044472192.

The previous prime is 78483345713. The next prime is 78483345739. The reversal of 78483345728 is 82754338487.

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, 3068426 + ... + 3093897.

It is an arithmetic number, because the mean of its divisors is an integer number (5590108200).

Almost surely, 2^78483345728 is an apocalyptic number.

It is an amenable number.

78483345728 is a deficient number, since it is larger than the sum of its proper divisors (78039683872).

78483345728 is a wasteful number, since it uses less digits than its factorization.

78483345728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6162534 (or 6162524 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 59.

The spelling of 78483345728 in words is "seventy-eight billion, four hundred eighty-three million, three hundred forty-five thousand, seven hundred twenty-eight".