630677678 has 16 divisors (see below), whose sum is σ = 1016997120. Its totient is φ = 292385016.

The previous prime is 630677653. The next prime is 630677683. The reversal of 630677678 is 876776036.

630677678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174776 + ... + 178347.

It is an arithmetic number, because the mean of its divisors is an integer number (63562320).

Almost surely, 2^630677678 is an apocalyptic number.

630677678 is a deficient number, since it is larger than the sum of its proper divisors (386319442).

630677678 is a wasteful number, since it uses less digits than its factorization.

630677678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353191.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The square root of 630677678 is about 25113.2968365366. The cubic root of 630677678 is about 857.5691577244.

The spelling of 630677678 in words is "six hundred thirty million, six hundred seventy-seven thousand, six hundred seventy-eight".