516248879 has 4 divisors (see below), whose sum is σ = 524998920. Its totient is φ = 507498840.

The previous prime is 516248857. The next prime is 516248939. The reversal of 516248879 is 978842615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978842615 = 5 ⋅195768523.

It is a cyclic number.

It is not a de Polignac number, because 516248879 - 2¹² = 516244783 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 (516248839) 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 3 ways as a sum of consecutive naturals, for example, 4374932 + ... + 4375049.

It is an arithmetic number, because the mean of its divisors is an integer number (131249730).

Almost surely, 2^516248879 is an apocalyptic number.

516248879 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

516248879 is a deficient number, since it is larger than the sum of its proper divisors (8750041).

516248879 is an equidigital number, since it uses as much as digits as its factorization.

516248879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8750040.

The product of its digits is 967680, while the sum is 50.

The square root of 516248879 is about 22721.1108663287. The cubic root of 516248879 is about 802.2068644015.

The spelling of 516248879 in words is "five hundred sixteen million, two hundred forty-eight thousand, eight hundred seventy-nine".