65788768 has 24 divisors (see below), whose sum is σ = 131300568. Its totient is φ = 32442624.

The previous prime is 65788747. The next prime is 65788777. The reversal of 65788768 is 86788756.

It is a super-3 number, since 3×65788768³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

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, 11746 + ... + 16417.

It is an arithmetic number, because the mean of its divisors is an integer number (5470857).

Almost surely, 2^65788768 is an apocalyptic number.

It is an amenable number.

65788768 is a deficient number, since it is larger than the sum of its proper divisors (65511800).

65788768 is a wasteful number, since it uses less digits than its factorization.

65788768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28246 (or 28238 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 55.

The square root of 65788768 is about 8111.0275551252. The cubic root of 65788768 is about 403.6924103848.

The spelling of 65788768 in words is "sixty-five million, seven hundred eighty-eight thousand, seven hundred sixty-eight".