80277760048520 has 32 divisors (see below), whose sum is σ = 180626336170200. Its totient is φ = 32110859386368.

The previous prime is 80277760048517. The next prime is 80277760048597. The reversal of 80277760048520 is 2584006777208.

It can be written as a sum of positive squares in 4 ways, for example, as 79688436678244 + 589323370276 = 8926838^2 + 767674^2 .

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, 2282219 + ... + 12874938.

Almost surely, 2^{80277760048520} is an apocalyptic number.

It is an amenable number.

80277760048520 is an abundant number, since it is smaller than the sum of its proper divisors (100348576121680).

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

80277760048520 is a wasteful number, since it uses less digits than its factorization.

80277760048520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15289577 (or 15289573 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 56.

The spelling of 80277760048520 in words is "eighty trillion, two hundred seventy-seven billion, seven hundred sixty million, forty-eight thousand, five hundred twenty".