80666025027 has 16 divisors (see below), whose sum is σ = 123097565952. Its totient is φ = 46028155680.

The previous prime is 80666025019. The next prime is 80666025067. The reversal of 80666025027 is 72052066608.

It is not a de Polignac number, because 80666025027 - 2³ = 80666025019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80666025027.

It is not an unprimeable number, because it can be changed into a prime (80666025067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2764968 + ... + 2793989.

It is an arithmetic number, because the mean of its divisors is an integer number (7693597872).

Almost surely, 2^80666025027 is an apocalyptic number.

80666025027 is a deficient number, since it is larger than the sum of its proper divisors (42431540925).

80666025027 is a wasteful number, since it uses less digits than its factorization.

80666025027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559658.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 80666025027 in words is "eighty billion, six hundred sixty-six million, twenty-five thousand, twenty-seven".