513468787 has 16 divisors (see below), whose sum is σ = 590064160. Its totient is φ = 442858752.

The previous prime is 513468773. The next prime is 513468803. The reversal of 513468787 is 787864315.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 513468787 - 2¹⁵ = 513436019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 513468787.

It is not an unprimeable number, because it can be changed into a prime (513468757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3793 + ... + 32269.

It is an arithmetic number, because the mean of its divisors is an integer number (36879010).

Almost surely, 2^513468787 is an apocalyptic number.

513468787 is a deficient number, since it is larger than the sum of its proper divisors (76595373).

513468787 is a wasteful number, since it uses less digits than its factorization.

513468787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28582.

The product of its digits is 1128960, while the sum is 49.

The square root of 513468787 is about 22659.8496685216. The cubic root of 513468787 is about 800.7642628745.

The spelling of 513468787 in words is "five hundred thirteen million, four hundred sixty-eight thousand, seven hundred eighty-seven".