8063938985 has 8 divisors (see below), whose sum is σ = 9678407496. Its totient is φ = 6450030720.

The previous prime is 8063938963. The next prime is 8063939021. The reversal of 8063938985 is 5898393608.

It can be written as a sum of positive squares in 4 ways, for example, as 1083002281 + 6980936704 = 32909^2 + 83552^2 .

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

It is not a de Polignac number, because 8063938985 - 2⁶ = 8063938921 is a prime.

It is a super-2 number, since 2×8063938985² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 107714 + ... + 166523.

It is an arithmetic number, because the mean of its divisors is an integer number (1209800937).

Almost surely, 2^8063938985 is an apocalyptic number.

It is an amenable number.

8063938985 is a deficient number, since it is larger than the sum of its proper divisors (1614468511).

8063938985 is a wasteful number, since it uses less digits than its factorization.

8063938985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280123.

The product of its (nonzero) digits is 11197440, while the sum is 59.

The square root of 8063938985 is about 89799.4375539179. The cubic root of 8063938985 is about 2005.3141163280.

The spelling of 8063938985 in words is "eight billion, sixty-three million, nine hundred thirty-eight thousand, nine hundred eighty-five".