6827716985 has 8 divisors (see below), whose sum is σ = 8457559296. Its totient is φ = 5285974320.

The previous prime is 6827716981. The next prime is 6827716999. The reversal of 6827716985 is 5896177286.

It is a happy number.

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

It is not a de Polignac number, because 6827716985 - 2² = 6827716981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6827716981) 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, 22024739 + ... + 22025048.

It is an arithmetic number, because the mean of its divisors is an integer number (1057194912).

Almost surely, 2^6827716985 is an apocalyptic number.

It is an amenable number.

6827716985 is a deficient number, since it is larger than the sum of its proper divisors (1629842311).

6827716985 is a wasteful number, since it uses less digits than its factorization.

6827716985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44049823.

The product of its digits is 10160640, while the sum is 59.

The square root of 6827716985 is about 82630.0005143410. Note that the first 3 decimals coincide. The cubic root of 6827716985 is about 1897.1070456934.

The spelling of 6827716985 in words is "six billion, eight hundred twenty-seven million, seven hundred sixteen thousand, nine hundred eighty-five".