516866887 has 8 divisors (see below), whose sum is σ = 521451216. Its totient is φ = 512294592.

The previous prime is 516866881. The next prime is 516866891. The reversal of 516866887 is 788668615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 516866887 - 2²⁷ = 382649159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516866881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97848 + ... + 102994.

It is an arithmetic number, because the mean of its divisors is an integer number (65181402).

Almost surely, 2^516866887 is an apocalyptic number.

516866887 is a deficient number, since it is larger than the sum of its proper divisors (4584329).

516866887 is a wasteful number, since it uses less digits than its factorization.

516866887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6017.

The product of its digits is 3870720, while the sum is 55.

The square root of 516866887 is about 22734.7066618419. The cubic root of 516866887 is about 802.5268473790.

The spelling of 516866887 in words is "five hundred sixteen million, eight hundred sixty-six thousand, eight hundred eighty-seven".