678286970 has 16 divisors (see below), whose sum is σ = 1222832808. Its totient is φ = 270888960.

The previous prime is 678286967. The next prime is 678287011. The reversal of 678286970 is 79682876.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 674596729 + 3690241 = 25973^2 + 1921^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46499 + ... + 59318.

Almost surely, 2^678286970 is an apocalyptic number.

678286970 is a deficient number, since it is larger than the sum of its proper divisors (544545838).

678286970 is a wasteful number, since it uses less digits than its factorization.

678286970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106465.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The square root of 678286970 is about 26043.9430578398. The cubic root of 678286970 is about 878.6268918147.

The spelling of 678286970 in words is "six hundred seventy-eight million, two hundred eighty-six thousand, nine hundred seventy".