8281763886 has 32 divisors (see below), whose sum is σ = 18080195328. Its totient is φ = 2508112640.

The previous prime is 8281763869. The next prime is 8281763887. The reversal of 8281763886 is 6883671828.

It is a happy number.

It is a super-2 number, since 2×8281763886² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8281763887) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 75031 + ... + 148973.

It is an arithmetic number, because the mean of its divisors is an integer number (565006104).

Almost surely, 2^8281763886 is an apocalyptic number.

8281763886 is an abundant number, since it is smaller than the sum of its proper divisors (9798431442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8281763886 is a wasteful number, since it uses less digits than its factorization.

8281763886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75656.

The product of its digits is 6193152, while the sum is 57.

The square root of 8281763886 is about 91004.1970790359. The cubic root of 8281763886 is about 2023.2099314403.

The spelling of 8281763886 in words is "eight billion, two hundred eighty-one million, seven hundred sixty-three thousand, eight hundred eighty-six".