80281438720082 has 8 divisors (see below), whose sum is σ = 122694274270476. Its totient is φ = 39383347296592.

The previous prime is 80281438720003. The next prime is 80281438720211. The reversal of 80281438720082 is 28002783418208.

It is a Cunningham number, because it is equal to 8959991²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 80281438720081 + 1 = 8959991^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 378686031593 + ... + 378686031804.

Almost surely, 2^{80281438720082} is an apocalyptic number.

80281438720082 is a deficient number, since it is larger than the sum of its proper divisors (42412835550394).

80281438720082 is a wasteful number, since it uses less digits than its factorization.

80281438720082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757372063452.

The product of its (nonzero) digits is 2752512, while the sum is 53.

The spelling of 80281438720082 in words is "eighty trillion, two hundred eighty-one billion, four hundred thirty-eight million, seven hundred twenty thousand, eighty-two".