65480909 has 12 divisors (see below), whose sum is σ = 71976096. Its totient is φ = 59531472.

The previous prime is 65480903. The next prime is 65480939. The reversal of 65480909 is 90908456.

It is not a de Polignac number, because 65480909 - 2⁴ = 65480893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65480903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8432 + ... + 14214.

It is an arithmetic number, because the mean of its divisors is an integer number (5998008).

Almost surely, 2^65480909 is an apocalyptic number.

It is an amenable number.

65480909 is a deficient number, since it is larger than the sum of its proper divisors (6495187).

65480909 is a wasteful number, since it uses less digits than its factorization.

65480909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5876 (or 5863 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 65480909 is about 8092.0274962459. The cubic root of 65480909 is about 403.0617317852.

The spelling of 65480909 in words is "sixty-five million, four hundred eighty thousand, nine hundred nine".