65478768 has 20 divisors (see below), whose sum is σ = 169153608. Its totient is φ = 21826240.

The previous prime is 65478767. The next prime is 65478773. The reversal of 65478768 is 86787456.

It is a self number, because there is not a number n which added to its sum of digits gives 65478768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65478767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682023 + ... + 682118.

Almost surely, 2^65478768 is an apocalyptic number.

It is an amenable number.

65478768 is an abundant number, since it is smaller than the sum of its proper divisors (103674840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65478768 is a wasteful number, since it uses less digits than its factorization.

65478768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364152 (or 1364146 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The square root of 65478768 is about 8091.8952044623. The cubic root of 65478768 is about 403.0573388276.

The spelling of 65478768 in words is "sixty-five million, four hundred seventy-eight thousand, seven hundred sixty-eight".