8812039681 has 4 divisors (see below), whose sum is σ = 8812276672. Its totient is φ = 8811802692.

The previous prime is 8812039667. The next prime is 8812039711. The reversal of 8812039681 is 1869302188.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8812039681 - 2⁹ = 8812039169 is a prime.

It is a super-4 number, since 4×8812039681⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8812039601) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 49221 + ... + 141586.

It is an arithmetic number, because the mean of its divisors is an integer number (2203069168).

Almost surely, 2^8812039681 is an apocalyptic number.

It is an amenable number.

8812039681 is a deficient number, since it is larger than the sum of its proper divisors (236991).

8812039681 is a wasteful number, since it uses less digits than its factorization.

8812039681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236990.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 8812039681 is about 93872.4649777559. The cubic root of 8812039681 is about 2065.5013414944.

The spelling of 8812039681 in words is "eight billion, eight hundred twelve million, thirty-nine thousand, six hundred eighty-one".