678632870 has 8 divisors (see below), whose sum is σ = 1221539184. Its totient is φ = 271453144.

The previous prime is 678632863. The next prime is 678632887. The reversal of 678632870 is 78236876.

678632870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 33931634 + ... + 33931653.

It is an arithmetic number, because the mean of its divisors is an integer number (152692398).

Almost surely, 2^678632870 is an apocalyptic number.

678632870 is a deficient number, since it is larger than the sum of its proper divisors (542906314).

678632870 is a wasteful number, since it uses less digits than its factorization.

678632870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67863294.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 678632870 is about 26050.5829109446. The cubic root of 678632870 is about 878.7762216255.

The spelling of 678632870 in words is "six hundred seventy-eight million, six hundred thirty-two thousand, eight hundred seventy".