609878930 has 8 divisors (see below), whose sum is σ = 1097782092. Its totient is φ = 243951568.

The previous prime is 609878923. The next prime is 609878939. The reversal of 609878930 is 39878906.

It can be written as a sum of positive squares in 2 ways, for example, as 592581649 + 17297281 = 24343^2 + 4159^2 .

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

It is not an unprimeable number, because it can be changed into a prime (609878939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30493937 + ... + 30493956.

Almost surely, 2^609878930 is an apocalyptic number.

609878930 is a deficient number, since it is larger than the sum of its proper divisors (487903162).

609878930 is a wasteful number, since it uses less digits than its factorization.

609878930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60987900.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 609878930 is about 24695.7269583222. The cubic root of 609878930 is about 848.0364966270.

The spelling of 609878930 in words is "six hundred nine million, eight hundred seventy-eight thousand, nine hundred thirty".