65782028756 has 6 divisors (see below), whose sum is σ = 115118550330. Its totient is φ = 32891014376.

The previous prime is 65782028749. The next prime is 65782028773.

It is a happy number.

65782028756 is nontrivially palindromic in base 10.

65782028756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39445932100 + 26336096656 = 198610^2 + 162284^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8222753591 + ... + 8222753598.

It is an arithmetic number, because the mean of its divisors is an integer number (19186425055).

Almost surely, 2^65782028756 is an apocalyptic number.

It is an amenable number.

65782028756 is a deficient number, since it is larger than the sum of its proper divisors (49336521574).

65782028756 is a wasteful number, since it uses less digits than its factorization.

65782028756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16445507193 (or 16445507191 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 65782028756 in words is "sixty-five billion, seven hundred eighty-two million, twenty-eight thousand, seven hundred fifty-six".