8482788981 has 6 divisors (see below), whose sum is σ = 12252917430. Its totient is φ = 5655192648.

The previous prime is 8482788973. The next prime is 8482788983. The reversal of 8482788981 is 1898872848.

8482788981 is a `hidden beast` number, since 8 + 482 + 78 + 8 + 9 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8429994225 + 52794756 = 91815^2 + 7266^2 .

It is not a de Polignac number, because 8482788981 - 2³ = 8482788973 is a prime.

It is a super-2 number, since 2×8482788981² (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 (8482788983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 471266046 + ... + 471266063.

It is an arithmetic number, because the mean of its divisors is an integer number (2042152905).

Almost surely, 2^8482788981 is an apocalyptic number.

It is an amenable number.

8482788981 is a deficient number, since it is larger than the sum of its proper divisors (3770128449).

8482788981 is a wasteful number, since it uses less digits than its factorization.

8482788981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942532115 (or 942532112 counting only the distinct ones).

The product of its digits is 16515072, while the sum is 63.

The square root of 8482788981 is about 92102.0574200164. The cubic root of 8482788981 is about 2039.4491801506.

The spelling of 8482788981 in words is "eight billion, four hundred eighty-two million, seven hundred eighty-eight thousand, nine hundred eighty-one".