516552545879 has 4 divisors (see below), whose sum is σ = 516631163400. Its totient is φ = 516473928360.

The previous prime is 516552545809. The next prime is 516552545917. The reversal of 516552545879 is 978545255615.

It is a happy number.

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 516552545879 - 2¹² = 516552541783 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 (516552545809) 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, 39298904 + ... + 39312045.

It is an arithmetic number, because the mean of its divisors is an integer number (129157790850).

Almost surely, 2^516552545879 is an apocalyptic number.

516552545879 is a deficient number, since it is larger than the sum of its proper divisors (78617521).

516552545879 is an equidigital number, since it uses as much as digits as its factorization.

516552545879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78617520.

The product of its digits is 75600000, while the sum is 62.

The spelling of 516552545879 in words is "five hundred sixteen billion, five hundred fifty-two million, five hundred forty-five thousand, eight hundred seventy-nine".