80296565 has 16 divisors (see below), whose sum is σ = 105840000. Its totient is φ = 58208832.

The previous prime is 80296561. The next prime is 80296577. The reversal of 80296565 is 56569208.

It is a cyclic number.

It is not a de Polignac number, because 80296565 - 2² = 80296561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80296561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16190 + ... + 20559.

It is an arithmetic number, because the mean of its divisors is an integer number (6615000).

Almost surely, 2^80296565 is an apocalyptic number.

It is an amenable number.

80296565 is a deficient number, since it is larger than the sum of its proper divisors (25543435).

80296565 is a wasteful number, since it uses less digits than its factorization.

80296565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36796.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 80296565 is about 8960.8350615330. The cubic root of 80296565 is about 431.4187230298.

The spelling of 80296565 in words is "eighty million, two hundred ninety-six thousand, five hundred sixty-five".