80456655564 has 72 divisors (see below), whose sum is σ = 210995436288. Its totient is φ = 26807896080.

The previous prime is 80456655563. The next prime is 80456655589. The reversal of 80456655564 is 46555665408.

80456655564 is a `hidden beast` number, since 80 + 4 + 5 + 6 + 6 + 5 + 556 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 80456655564.

It is not an unprimeable number, because it can be changed into a prime (80456655563) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2557249 + ... + 2588519.

Almost surely, 2^80456655564 is an apocalyptic number.

It is an amenable number.

80456655564 is an abundant number, since it is smaller than the sum of its proper divisors (130538780724).

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

80456655564 is a wasteful number, since it uses less digits than its factorization.

80456655564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33937 (or 33923 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 54.

The spelling of 80456655564 in words is "eighty billion, four hundred fifty-six million, six hundred fifty-five thousand, five hundred sixty-four".