80275305 has 32 divisors (see below), whose sum is σ = 141533568. Its totient is φ = 38528000.

The previous prime is 80275301. The next prime is 80275331. The reversal of 80275305 is 50357208.

It is a happy number.

It is not a de Polignac number, because 80275305 - 2² = 80275301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80275301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14257 + ... + 19073.

It is an arithmetic number, because the mean of its divisors is an integer number (4422924).

Almost surely, 2^80275305 is an apocalyptic number.

It is an amenable number.

80275305 is a deficient number, since it is larger than the sum of its proper divisors (61258263).

80275305 is a wasteful number, since it uses less digits than its factorization.

80275305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 80275305 is about 8959.6487096314. The cubic root of 80275305 is about 431.3806443081.

The spelling of 80275305 in words is "eighty million, two hundred seventy-five thousand, three hundred five".