8065671782 has 32 divisors (see below), whose sum is σ = 14175120960. Its totient is φ = 3369784320.

The previous prime is 8065671737. The next prime is 8065671797. The reversal of 8065671782 is 2871765608.

It is a super-2 number, since 2×8065671782² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8065671782.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849968 + ... + 859404.

It is an arithmetic number, because the mean of its divisors is an integer number (442972530).

Almost surely, 2^8065671782 is an apocalyptic number.

8065671782 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

8065671782 is a deficient number, since it is larger than the sum of its proper divisors (6109449178).

8065671782 is a wasteful number, since it uses less digits than its factorization.

8065671782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10976.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The square root of 8065671782 is about 89809.0851862995. The cubic root of 8065671782 is about 2005.4577414815.

The spelling of 8065671782 in words is "eight billion, sixty-five million, six hundred seventy-one thousand, seven hundred eighty-two".