65115448 has 8 divisors (see below), whose sum is σ = 122091480. Its totient is φ = 32557720.

The previous prime is 65115443. The next prime is 65115473. The reversal of 65115448 is 84451156.

65115448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65115443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4069708 + ... + 4069723.

It is an arithmetic number, because the mean of its divisors is an integer number (15261435).

Almost surely, 2^65115448 is an apocalyptic number.

It is an amenable number.

65115448 is a deficient number, since it is larger than the sum of its proper divisors (56976032).

65115448 is a wasteful number, since it uses less digits than its factorization.

65115448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8139437 (or 8139433 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 65115448 is about 8069.4143529751. The cubic root of 65115448 is about 402.3104785265.

The spelling of 65115448 in words is "sixty-five million, one hundred fifteen thousand, four hundred forty-eight".