516117807 has 12 divisors (see below), whose sum is σ = 789356880. Its totient is φ = 323838528.

The previous prime is 516117751. The next prime is 516117839. The reversal of 516117807 is 708711615.

It is a happy number.

It is not a de Polignac number, because 516117807 - 2⁶ = 516117743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516117887) 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 11 ways as a sum of consecutive naturals, for example, 1686507 + ... + 1686812.

It is an arithmetic number, because the mean of its divisors is an integer number (65779740).

Almost surely, 2^516117807 is an apocalyptic number.

516117807 is a deficient number, since it is larger than the sum of its proper divisors (273239073).

516117807 is a wasteful number, since it uses less digits than its factorization.

516117807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373342 (or 3373339 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 36.

The square root of 516117807 is about 22718.2263172106. The cubic root of 516117807 is about 802.1389670737.

The spelling of 516117807 in words is "five hundred sixteen million, one hundred seventeen thousand, eight hundred seven".