80289465 has 16 divisors (see below), whose sum is σ = 128677248. Its totient is φ = 42749696.

The previous prime is 80289463. The next prime is 80289511. The reversal of 80289465 is 56498208.

It is a cyclic number.

It is not a de Polignac number, because 80289465 - 2¹ = 80289463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80289463) 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, 5569 + ... + 13841.

It is an arithmetic number, because the mean of its divisors is an integer number (8042328).

Almost surely, 2^80289465 is an apocalyptic number.

It is an amenable number.

80289465 is a deficient number, since it is larger than the sum of its proper divisors (48387783).

80289465 is a wasteful number, since it uses less digits than its factorization.

80289465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8928.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 80289465 is about 8960.4388843404. The cubic root of 80289465 is about 431.4060069889.

The spelling of 80289465 in words is "eighty million, two hundred eighty-nine thousand, four hundred sixty-five".