609043478876 has 12 divisors (see below), whose sum is σ = 1218086957808. Its totient is φ = 261018633792.

The previous prime is 609043478863. The next prime is 609043478921. The reversal of 609043478876 is 678874340906.

609043478876 is an admirable number.

It is a super-2 number, since 2×609043478876² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10875776381 + ... + 10875776436.

It is an arithmetic number, because the mean of its divisors is an integer number (101507246484).

Almost surely, 2^609043478876 is an apocalyptic number.

It is an amenable number.

609043478876 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

609043478876 is a wasteful number, since it uses less digits than its factorization.

609043478876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21751552828 (or 21751552826 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 62.

The spelling of 609043478876 in words is "six hundred nine billion, forty-three million, four hundred seventy-eight thousand, eight hundred seventy-six".