516780039 has 8 divisors (see below), whose sum is σ = 691123072. Its totient is φ = 343478520.

The previous prime is 516780037. The next prime is 516780041. The reversal of 516780039 is 930087615.

It is an interprime number because it is at equal distance from previous prime (516780037) and next prime (516780041).

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

It is not a de Polignac number, because 516780039 - 2¹ = 516780037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 516779979 and 516780006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516780037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259219 + ... + 261204.

It is an arithmetic number, because the mean of its divisors is an integer number (86390384).

Almost surely, 2^516780039 is an apocalyptic number.

516780039 is a deficient number, since it is larger than the sum of its proper divisors (174343033).

516780039 is a wasteful number, since it uses less digits than its factorization.

516780039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520757.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 516780039 is about 22732.7965503587. The cubic root of 516780039 is about 802.4818959241.

The spelling of 516780039 in words is "five hundred sixteen million, seven hundred eighty thousand, thirty-nine".