80217018402108 has 24 divisors (see below), whose sum is σ = 213912049072512. Its totient is φ = 22919148114864.

The previous prime is 80217018402067. The next prime is 80217018402163. The reversal of 80217018402108 is 80120481071208.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 80217018402108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477482252310 + ... + 477482252477.

It is an arithmetic number, because the mean of its divisors is an integer number (8913002044688).

Almost surely, 2^{80217018402108} is an apocalyptic number.

It is an amenable number.

80217018402108 is an abundant number, since it is smaller than the sum of its proper divisors (133695030670404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80217018402108 is a wasteful number, since it uses less digits than its factorization.

80217018402108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954964504801 (or 954964504799 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 42.

The spelling of 80217018402108 in words is "eighty trillion, two hundred seventeen billion, eighteen million, four hundred two thousand, one hundred eight".