65678056 has 16 divisors (see below), whose sum is σ = 124034400. Its totient is φ = 32602224.

The previous prime is 65678009. The next prime is 65678083. The reversal of 65678056 is 65087656.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28420 + ... + 30643.

It is an arithmetic number, because the mean of its divisors is an integer number (7752150).

Almost surely, 2^65678056 is an apocalyptic number.

It is an amenable number.

65678056 is a deficient number, since it is larger than the sum of its proper divisors (58356344).

65678056 is a wasteful number, since it uses less digits than its factorization.

65678056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59208 (or 59204 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 65678056 is about 8104.1998988179. The cubic root of 65678056 is about 403.4658332669.

The spelling of 65678056 in words is "sixty-five million, six hundred seventy-eight thousand, fifty-six".