513852237828 has 60 divisors (see below), whose sum is σ = 1344667602432. Its totient is φ = 171111132720.

The previous prime is 513852237793. The next prime is 513852237863. The reversal of 513852237828 is 828732258315.

513852237828 is a `hidden beast` number, since 5 + 1 + 3 + 8 + 522 + 37 + 82 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (513852237793) and next prime (513852237863).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 479100 + ... + 1121267.

Almost surely, 2^513852237828 is an apocalyptic number.

It is an amenable number.

513852237828 is an abundant number, since it is smaller than the sum of its proper divisors (830815364604).

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

513852237828 is a wasteful number, since it uses less digits than its factorization.

513852237828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601374 (or 1601363 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The spelling of 513852237828 in words is "five hundred thirteen billion, eight hundred fifty-two million, two hundred thirty-seven thousand, eight hundred twenty-eight".