80555078260 has 12 divisors (see below), whose sum is σ = 169165664388. Its totient is φ = 32222031296.

The previous prime is 80555078209. The next prime is 80555078273. The reversal of 80555078260 is 6287055508.

It can be written as a sum of positive squares in 2 ways, for example, as 28576550116 + 51978528144 = 169046^2 + 227988^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80555078260.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2013876937 + ... + 2013876976.

It is an arithmetic number, because the mean of its divisors is an integer number (14097138699).

Almost surely, 2^80555078260 is an apocalyptic number.

It is an amenable number.

80555078260 is an abundant number, since it is smaller than the sum of its proper divisors (88610586128).

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

80555078260 is a wasteful number, since it uses less digits than its factorization.

80555078260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027753922 (or 4027753920 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 46.

The spelling of 80555078260 in words is "eighty billion, five hundred fifty-five million, seventy-eight thousand, two hundred sixty".