516950987 has 8 divisors (see below), whose sum is σ = 592018176. Its totient is φ = 442188072.

The previous prime is 516950983. The next prime is 516950989. The reversal of 516950987 is 789059615.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 516950987 - 2² = 516950983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516950981) 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, 72413 + ... + 79230.

It is an arithmetic number, because the mean of its divisors is an integer number (74002272).

Almost surely, 2^516950987 is an apocalyptic number.

516950987 is a deficient number, since it is larger than the sum of its proper divisors (75067189).

516950987 is a wasteful number, since it uses less digits than its factorization.

516950987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152137.

The product of its (nonzero) digits is 680400, while the sum is 50.

The square root of 516950987 is about 22736.5561816208. The cubic root of 516950987 is about 802.5703717044.

The spelling of 516950987 in words is "five hundred sixteen million, nine hundred fifty thousand, nine hundred eighty-seven".