678410613 has 32 divisors (see below), whose sum is σ = 1034880000. Its totient is φ = 438985008.

The previous prime is 678410573. The next prime is 678410639. The reversal of 678410613 is 316014876.

It is not a de Polignac number, because 678410613 - 2⁸ = 678410357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678410693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192138 + ... + 195636.

It is an arithmetic number, because the mean of its divisors is an integer number (32340000).

Almost surely, 2^678410613 is an apocalyptic number.

It is an amenable number.

678410613 is a deficient number, since it is larger than the sum of its proper divisors (356469387).

678410613 is a wasteful number, since it uses less digits than its factorization.

678410613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718 (or 3712 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 678410613 is about 26046.3166877776. The cubic root of 678410613 is about 878.6802760357.

The spelling of 678410613 in words is "six hundred seventy-eight million, four hundred ten thousand, six hundred thirteen".