516805887 has 24 divisors (see below), whose sum is σ = 749849088. Its totient is φ = 316461600.

The previous prime is 516805859. The next prime is 516805889. The reversal of 516805887 is 788508615.

It is not a de Polignac number, because 516805887 - 2¹⁵ = 516773119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516805889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104562 + ... + 109392.

It is an arithmetic number, because the mean of its divisors is an integer number (31243712).

Almost surely, 2^516805887 is an apocalyptic number.

516805887 is a deficient number, since it is larger than the sum of its proper divisors (233043201).

516805887 is a wasteful number, since it uses less digits than its factorization.

516805887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071 (or 5058 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 48.

The square root of 516805887 is about 22733.3650610727. The cubic root of 516805887 is about 802.4952750569.

The spelling of 516805887 in words is "five hundred sixteen million, eight hundred five thousand, eight hundred eighty-seven".