80017908918844 has 12 divisors (see below), whose sum is σ = 150802982193304. Its totient is φ = 36931342577904.

The previous prime is 80017908918841. The next prime is 80017908918859. The reversal of 80017908918844 is 44881980971008.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 80017908918844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80017908918841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769402970322 + ... + 769402970425.

Almost surely, 2^{80017908918844} is an apocalyptic number.

It is an amenable number.

80017908918844 is a deficient number, since it is larger than the sum of its proper divisors (70785073274460).

80017908918844 is a wasteful number, since it uses less digits than its factorization.

80017908918844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538805940764 (or 1538805940762 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 67.

The spelling of 80017908918844 in words is "eighty trillion, seventeen billion, nine hundred eight million, nine hundred eighteen thousand, eight hundred forty-four".