80008305 has 16 divisors (see below), whose sum is σ = 137860800. Its totient is φ = 39388608.

The previous prime is 80008301. The next prime is 80008309. The reversal of 80008305 is 50380008.

80008305 = 898² + 899² + ... + 987².

It is an interprime number because it is at equal distance from previous prime (80008301) and next prime (80008309).

It is not a de Polignac number, because 80008305 - 2² = 80008301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80008301) 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, 204955 + ... + 205344.

It is an arithmetic number, because the mean of its divisors is an integer number (8616300).

Almost surely, 2^80008305 is an apocalyptic number.

It is an amenable number.

80008305 is a deficient number, since it is larger than the sum of its proper divisors (57852495).

80008305 is a wasteful number, since it uses less digits than its factorization.

80008305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410320.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 80008305 is about 8944.7361615645. The cubic root of 80008305 is about 430.9018479739.

The spelling of 80008305 in words is "eighty million, eight thousand, three hundred five".