8263943982 has 36 divisors (see below), whose sum is σ = 20828514096. Its totient is φ = 2361126600.

The previous prime is 8263943981. The next prime is 8263944019. The reversal of 8263943982 is 2893493628.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8263943981) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4683894 + ... + 4685657.

It is an arithmetic number, because the mean of its divisors is an integer number (578569836).

Almost surely, 2^8263943982 is an apocalyptic number.

8263943982 is an abundant number, since it is smaller than the sum of its proper divisors (12564570114).

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

8263943982 is a wasteful number, since it uses less digits than its factorization.

8263943982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9369573 (or 9369563 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 8263943982 is about 90906.2373107588. The cubic root of 8263943982 is about 2021.7577731419.

It can be divided in two parts, 82639 and 43982, that added together give a palindrome (126621).

The spelling of 8263943982 in words is "eight billion, two hundred sixty-three million, nine hundred forty-three thousand, nine hundred eighty-two".