80318465 has 4 divisors (see below), whose sum is σ = 96382164. Its totient is φ = 64254768.

The previous prime is 80318449. The next prime is 80318521. The reversal of 80318465 is 56481308.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42876304 + 37442161 = 6548^2 + 6119^2 .

It is a cyclic number.

It is not a de Polignac number, because 80318465 - 2⁴ = 80318449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8031842 + ... + 8031851.

It is an arithmetic number, because the mean of its divisors is an integer number (24095541).

Almost surely, 2^80318465 is an apocalyptic number.

It is an amenable number.

80318465 is a deficient number, since it is larger than the sum of its proper divisors (16063699).

80318465 is a wasteful number, since it uses less digits than its factorization.

80318465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16063698.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 80318465 is about 8962.0569625505. The cubic root of 80318465 is about 431.4579410263.

The spelling of 80318465 in words is "eighty million, three hundred eighteen thousand, four hundred sixty-five".