3835843768647 has 12 divisors (see below), whose sum is σ = 6044359878024. Its totient is φ = 2324753799120.

The previous prime is 3835843768633. The next prime is 3835843768661. The reversal of 3835843768647 is 7468673485383.

It is a happy number.

3835843768647 is a `hidden beast` number, since 3 + 8 + 3 + 584 + 37 + 6 + 8 + 6 + 4 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (3835843768633) and next prime (3835843768661).

It is not a de Polignac number, because 3835843768647 - 2⁶ = 3835843768583 is a prime.

It is a super-3 number, since 3×3835843768647³ (a number of 39 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3835843760647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19372948228 + ... + 19372948425.

It is an arithmetic number, because the mean of its divisors is an integer number (503696656502).

Almost surely, 2^{3835843768647} is an apocalyptic number.

3835843768647 is a deficient number, since it is larger than the sum of its proper divisors (2208516109377).

3835843768647 is a wasteful number, since it uses less digits than its factorization.

3835843768647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38745896670 (or 38745896667 counting only the distinct ones).

The product of its digits is 1950842880, while the sum is 72.

The spelling of 3835843768647 in words is "three trillion, eight hundred thirty-five billion, eight hundred forty-three million, seven hundred sixty-eight thousand, six hundred forty-seven".