513471887800 has 72 divisors (see below), whose sum is σ = 1259962047000. Its totient is φ = 194578793280.

The previous prime is 513471887783. The next prime is 513471887807. The reversal of 513471887800 is 8788174315.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513471887807) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 3483700 + ... + 3628099.

It is an arithmetic number, because the mean of its divisors is an integer number (17499472875).

Almost surely, 2^513471887800 is an apocalyptic number.

513471887800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

513471887800 is an abundant number, since it is smaller than the sum of its proper divisors (746490159200).

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

513471887800 is a wasteful number, since it uses less digits than its factorization.

513471887800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7111853 (or 7111825 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 52.

The spelling of 513471887800 in words is "five hundred thirteen billion, four hundred seventy-one million, eight hundred eighty-seven thousand, eight hundred".