65857342756 has 6 divisors (see below), whose sum is σ = 115250349830. Its totient is φ = 32928671376.

The previous prime is 65857342739. The next prime is 65857342757. The reversal of 65857342756 is 65724375856.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 64719360000 + 1137982756 = 254400^2 + 33734^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65857342756.

It is not an unprimeable number, because it can be changed into a prime (65857342757) 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 as a sum of consecutive naturals, namely, 8232167841 + ... + 8232167848.

Almost surely, 2^65857342756 is an apocalyptic number.

It is an amenable number.

65857342756 is a deficient number, since it is larger than the sum of its proper divisors (49393007074).

65857342756 is a wasteful number, since it uses less digits than its factorization.

65857342756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16464335693 (or 16464335691 counting only the distinct ones).

The product of its digits is 42336000, while the sum is 58.

The spelling of 65857342756 in words is "sixty-five billion, eight hundred fifty-seven million, three hundred forty-two thousand, seven hundred fifty-six".