80839265 has 16 divisors (see below), whose sum is σ = 107295888. Its totient is φ = 58081536.

The previous prime is 80839237. The next prime is 80839271. The reversal of 80839265 is 56293808.

It can be written as a sum of positive squares in 8 ways, for example, as 2534464 + 78304801 = 1592^2 + 8849^2 .

It is a cyclic number.

It is not a de Polignac number, because 80839265 - 2⁸ = 80839009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14402 + ... + 19211.

It is an arithmetic number, because the mean of its divisors is an integer number (6705993).

Almost surely, 2^80839265 is an apocalyptic number.

It is an amenable number.

80839265 is a deficient number, since it is larger than the sum of its proper divisors (26456623).

80839265 is a wasteful number, since it uses less digits than its factorization.

80839265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33668.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 80839265 is about 8991.0658433803. The cubic root of 80839265 is about 432.3884840628.

The spelling of 80839265 in words is "eighty million, eight hundred thirty-nine thousand, two hundred sixty-five".