516820867 has 4 divisors (see below), whose sum is σ = 529426296. Its totient is φ = 504215440.

The previous prime is 516820849. The next prime is 516820873. The reversal of 516820867 is 768028615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 516820867 - 2⁷ = 516820739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516820067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6302653 + ... + 6302734.

It is an arithmetic number, because the mean of its divisors is an integer number (132356574).

Almost surely, 2^516820867 is an apocalyptic number.

516820867 is a deficient number, since it is larger than the sum of its proper divisors (12605429).

516820867 is a wasteful number, since it uses less digits than its factorization.

516820867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12605428.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 516820867 is about 22733.6945303662. The cubic root of 516820867 is about 802.5030286212.

The spelling of 516820867 in words is "five hundred sixteen million, eight hundred twenty thousand, eight hundred sixty-seven".