65782037386 has 64 divisors (see below), whose sum is σ = 120485191680. Its totient is φ = 26624790720.

The previous prime is 65782037383. The next prime is 65782037423. The reversal of 65782037386 is 68373028756.

It is not an unprimeable number, because it can be changed into a prime (65782037383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258841 + ... + 445603.

It is an arithmetic number, because the mean of its divisors is an integer number (1882581120).

Almost surely, 2^65782037386 is an apocalyptic number.

65782037386 is a deficient number, since it is larger than the sum of its proper divisors (54703154294).

65782037386 is a wasteful number, since it uses less digits than its factorization.

65782037386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186851.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 65782037386 in words is "sixty-five billion, seven hundred eighty-two million, thirty-seven thousand, three hundred eighty-six".