609798968 has 8 divisors (see below), whose sum is σ = 1143373080. Its totient is φ = 304899480.

The previous prime is 609798947. The next prime is 609798971. The reversal of 609798968 is 869897906.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 609798968.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38112428 + ... + 38112443.

It is an arithmetic number, because the mean of its divisors is an integer number (142921635).

Almost surely, 2^609798968 is an apocalyptic number.

It is an amenable number.

609798968 is a deficient number, since it is larger than the sum of its proper divisors (533574112).

609798968 is a wasteful number, since it uses less digits than its factorization.

609798968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76224877 (or 76224873 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 62.

The square root of 609798968 is about 24694.1079612121. The cubic root of 609798968 is about 847.9994326269. Note that the first 3 decimals are identical.

The spelling of 609798968 in words is "six hundred nine million, seven hundred ninety-eight thousand, nine hundred sixty-eight".