80832008781 has 8 divisors (see below), whose sum is σ = 119751124160. Its totient is φ = 53888005836.

The previous prime is 80832008767. The next prime is 80832008809. The reversal of 80832008781 is 18780023808.

It is a happy number.

It is not a de Polignac number, because 80832008781 - 2¹⁰ = 80832007757 is a prime.

It is a super-2 number, since 2×80832008781² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80832008701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1496889025 + ... + 1496889078.

It is an arithmetic number, because the mean of its divisors is an integer number (14968890520).

Almost surely, 2^80832008781 is an apocalyptic number.

It is an amenable number.

80832008781 is a deficient number, since it is larger than the sum of its proper divisors (38919115379).

80832008781 is a wasteful number, since it uses less digits than its factorization.

80832008781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993778112 (or 2993778106 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The spelling of 80832008781 in words is "eighty billion, eight hundred thirty-two million, eight thousand, seven hundred eighty-one".