65448679 has 4 divisors (see below), whose sum is σ = 67705560. Its totient is φ = 63191800.

The previous prime is 65448659. The next prime is 65448683. The reversal of 65448679 is 97684456.

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

It is a cyclic number.

It is not a de Polignac number, because 65448679 - 2⁹ = 65448167 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 (65448619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1128397 + ... + 1128454.

It is an arithmetic number, because the mean of its divisors is an integer number (16926390).

Almost surely, 2^65448679 is an apocalyptic number.

65448679 is a deficient number, since it is larger than the sum of its proper divisors (2256881).

65448679 is a wasteful number, since it uses less digits than its factorization.

65448679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256880.

The product of its digits is 1451520, while the sum is 49.

The square root of 65448679 is about 8090.0357848405. The cubic root of 65448679 is about 402.9955913291.

The spelling of 65448679 in words is "sixty-five million, four hundred forty-eight thousand, six hundred seventy-nine".