516047879 has 2 divisors, whose sum is σ = 516047880. Its totient is φ = 516047878.

The previous prime is 516047821. The next prime is 516047881. The reversal of 516047879 is 978740615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 516047879 - 2²⁴ = 499270663 is a prime.

It is a Sophie Germain prime.

Together with 516047881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516047579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258023939 + 258023940.

It is an arithmetic number, because the mean of its divisors is an integer number (258023940).

Almost surely, 2^516047879 is an apocalyptic number.

516047879 is a deficient number, since it is larger than the sum of its proper divisors (1).

516047879 is an equidigital number, since it uses as much as digits as its factorization.

516047879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 516047879 is about 22716.6872364788. The cubic root of 516047879 is about 802.1027385832.

The spelling of 516047879 in words is "five hundred sixteen million, forty-seven thousand, eight hundred seventy-nine".