516008999 has 4 divisors (see below), whose sum is σ = 562918920. Its totient is φ = 469099080.

The previous prime is 516008971. The next prime is 516009037. The reversal of 516008999 is 999800615.

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 516008999 - 2⁸ = 516008743 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 (516008959) 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, 23454944 + ... + 23454965.

It is an arithmetic number, because the mean of its divisors is an integer number (140729730).

Almost surely, 2^516008999 is an apocalyptic number.

516008999 is a deficient number, since it is larger than the sum of its proper divisors (46909921).

516008999 is a wasteful number, since it uses less digits than its factorization.

516008999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46909920.

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 516008999 is about 22715.8314617801. The cubic root of 516008999 is about 802.0825941102.

The spelling of 516008999 in words is "five hundred sixteen million, eight thousand, nine hundred ninety-nine".