505997676 has 36 divisors (see below), whose sum is σ = 1306267872. Its totient is φ = 165076704.

The previous prime is 505997671. The next prime is 505997689. The reversal of 505997676 is 676799505.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (505997671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147835 + ... + 151218.

Almost surely, 2^505997676 is an apocalyptic number.

It is an amenable number.

505997676 is an abundant number, since it is smaller than the sum of its proper divisors (800270196).

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

505997676 is a wasteful number, since it uses less digits than its factorization.

505997676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299110 (or 299105 counting only the distinct ones).

The product of its (nonzero) digits is 3572100, while the sum is 54.

The square root of 505997676 is about 22494.3921011438. The cubic root of 505997676 is about 796.8614929014.

The spelling of 505997676 in words is "five hundred five million, nine hundred ninety-seven thousand, six hundred seventy-six".