64080065 has 32 divisors (see below), whose sum is σ = 93208320. Its totient is φ = 41313024.

The previous prime is 64080061. The next prime is 64080151. The reversal of 64080065 is 56008046.

It is a cyclic number.

It is not a de Polignac number, because 64080065 - 2² = 64080061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64080061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114767 + ... + 115323.

It is an arithmetic number, because the mean of its divisors is an integer number (2912760).

Almost surely, 2^64080065 is an apocalyptic number.

It is an amenable number.

64080065 is a deficient number, since it is larger than the sum of its proper divisors (29128255).

64080065 is a wasteful number, since it uses less digits than its factorization.

64080065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 64080065 is about 8005.0024984381. The cubic root of 64080065 is about 400.1667325743.

The spelling of 64080065 in words is "sixty-four million, eighty thousand, sixty-five".