678907476 has 108 divisors (see below), whose sum is σ = 1873129440. Its totient is φ = 207230400.

The previous prime is 678907469. The next prime is 678907477. The reversal of 678907476 is 674709876.

678907476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678907477) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 918315 + ... + 919053.

Almost surely, 2^678907476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 678907476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936564720).

678907476 is an abundant number, since it is smaller than the sum of its proper divisors (1194221964).

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

678907476 is a wasteful number, since it uses less digits than its factorization.

678907476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The square root of 678907476 is about 26055.8530084893. The cubic root of 678907476 is about 878.8947367028.

The spelling of 678907476 in words is "six hundred seventy-eight million, nine hundred seven thousand, four hundred seventy-six".