80814066734 has 8 divisors (see below), whose sum is σ = 121226082528. Its totient is φ = 40405372560.

The previous prime is 80814066721. The next prime is 80814066737. The reversal of 80814066734 is 43766041808.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80814066737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768662 + ... + 867449.

It is an arithmetic number, because the mean of its divisors is an integer number (15153260316).

Almost surely, 2^80814066734 is an apocalyptic number.

80814066734 is a deficient number, since it is larger than the sum of its proper divisors (40412015794).

80814066734 is a wasteful number, since it uses less digits than its factorization.

80814066734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660810.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 80814066734 in words is "eighty billion, eight hundred fourteen million, sixty-six thousand, seven hundred thirty-four".