65078872 has 16 divisors (see below), whose sum is σ = 122110560. Its totient is φ = 32516064.

The previous prime is 65078869. The next prime is 65078939. The reversal of 65078872 is 27887056.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16518 + ... + 20074.

It is an arithmetic number, because the mean of its divisors is an integer number (7631910).

Almost surely, 2^65078872 is an apocalyptic number.

It is an amenable number.

65078872 is a deficient number, since it is larger than the sum of its proper divisors (57031688).

65078872 is a wasteful number, since it uses less digits than its factorization.

65078872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850 (or 5846 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 65078872 is about 8067.1476991561. The cubic root of 65078872 is about 402.2351371416.

The spelling of 65078872 in words is "sixty-five million, seventy-eight thousand, eight hundred seventy-two".