678478203302 has 16 divisors (see below), whose sum is σ = 1038398832432. Its totient is φ = 332363522400.

The previous prime is 678478203289. The next prime is 678478203307. The reversal of 678478203302 is 203302874876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678478203307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4491128 + ... + 4639739.

It is an arithmetic number, because the mean of its divisors is an integer number (64899927027).

Almost surely, 2^678478203302 is an apocalyptic number.

678478203302 is a deficient number, since it is larger than the sum of its proper divisors (359920629130).

678478203302 is a wasteful number, since it uses less digits than its factorization.

678478203302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9131623.

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 678478203302 in words is "six hundred seventy-eight billion, four hundred seventy-eight million, two hundred three thousand, three hundred two".