523985676 has 12 divisors (see below), whose sum is σ = 1222633272. Its totient is φ = 174661888.

The previous prime is 523985647. The next prime is 523985711. The reversal of 523985676 is 676589325.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21832725 + ... + 21832748.

It is an arithmetic number, because the mean of its divisors is an integer number (101886106).

Almost surely, 2^523985676 is an apocalyptic number.

It is an amenable number.

523985676 is an abundant number, since it is smaller than the sum of its proper divisors (698647596).

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

523985676 is a wasteful number, since it uses less digits than its factorization.

523985676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43665480 (or 43665478 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 51.

The square root of 523985676 is about 22890.7334089583. The cubic root of 523985676 is about 806.1944517466.

The spelling of 523985676 in words is "five hundred twenty-three million, nine hundred eighty-five thousand, six hundred seventy-six".