80275775550 has 48 divisors (see below), whose sum is σ = 199121279232. Its totient is φ = 21402856800.

The previous prime is 80275775549. The next prime is 80275775563. The reversal of 80275775550 is 5557757208.

It is a junction number, because it is equal to n+sod(n) for n = 80275775493 and 80275775502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 799665 + ... + 894435.

It is an arithmetic number, because the mean of its divisors is an integer number (4148359984).

Almost surely, 2^80275775550 is an apocalyptic number.

80275775550 is an abundant number, since it is smaller than the sum of its proper divisors (118845503682).

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

80275775550 is a wasteful number, since it uses less digits than its factorization.

80275775550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100433 (or 100428 counting only the distinct ones).

The product of its (nonzero) digits is 3430000, while the sum is 51.

The spelling of 80275775550 in words is "eighty billion, two hundred seventy-five million, seven hundred seventy-five thousand, five hundred fifty".