678328486100 has 36 divisors (see below), whose sum is σ = 1477286856444. Its totient is φ = 270351847680.

The previous prime is 678328486097. The next prime is 678328486123. The reversal of 678328486100 is 1684823876.

It can be written as a sum of positive squares in 6 ways, for example, as 52201282576 + 626127203524 = 228476^2 + 791282^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12216497 + ... + 12271896.

Almost surely, 2^678328486100 is an apocalyptic number.

It is an amenable number.

678328486100 is an abundant number, since it is smaller than the sum of its proper divisors (798958370344).

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

678328486100 is a wasteful number, since it uses less digits than its factorization.

678328486100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24488684 (or 24488677 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 678328486100 in words is "six hundred seventy-eight billion, three hundred twenty-eight million, four hundred eighty-six thousand, one hundred".