513278676 has 18 divisors (see below), whose sum is σ = 1297454522. Its totient is φ = 171092880.

The previous prime is 513278663. The next prime is 513278683. The reversal of 513278676 is 676872315.

513278676 is a `hidden beast` number, since 513 + 2 + 78 + 67 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 361988676 + 151290000 = 19026^2 + 12300^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7128835 + ... + 7128906.

Almost surely, 2^513278676 is an apocalyptic number.

It is an amenable number.

513278676 is an abundant number, since it is smaller than the sum of its proper divisors (784175846).

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

513278676 is a wasteful number, since it uses less digits than its factorization.

513278676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14257751 (or 14257746 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 513278676 is about 22655.6543935504. The cubic root of 513278676 is about 800.6654234444.

The spelling of 513278676 in words is "five hundred thirteen million, two hundred seventy-eight thousand, six hundred seventy-six".