630089378 has 16 divisors (see below), whose sum is σ = 951027000. Its totient is φ = 313085952.

The previous prime is 630089371. The next prime is 630089389. The reversal of 630089378 is 873980036.

It can be written as a sum of positive squares in 4 ways, for example, as 625350049 + 4739329 = 25007^2 + 2177^2 .

It is not an unprimeable number, because it can be changed into a prime (630089371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351308 + ... + 353096.

Almost surely, 2^630089378 is an apocalyptic number.

630089378 is a deficient number, since it is larger than the sum of its proper divisors (320937622).

630089378 is a wasteful number, since it uses less digits than its factorization.

630089378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 630089378 is about 25101.5811852560. The cubic root of 630089378 is about 857.3024261837.

The spelling of 630089378 in words is "six hundred thirty million, eighty-nine thousand, three hundred seventy-eight".