4385068077681 has 8 divisors (see below), whose sum is σ = 6496397152160. Its totient is φ = 2923378718436.

The previous prime is 4385068077679. The next prime is 4385068077683. The reversal of 4385068077681 is 1867708605834.

4385068077681 is a `hidden beast` number, since 43 + 8 + 506 + 8 + 0 + 7 + 7 + 6 + 81 = 666.

It is an interprime number because it is at equal distance from previous prime (4385068077679) and next prime (4385068077683).

It is not a de Polignac number, because 4385068077681 - 2¹ = 4385068077679 is a prime.

It is a super-2 number, since 2×4385068077681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4385068077683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81204964375 + ... + 81204964428.

It is an arithmetic number, because the mean of its divisors is an integer number (812049644020).

Almost surely, 2^{4385068077681} is an apocalyptic number.

It is an amenable number.

4385068077681 is a deficient number, since it is larger than the sum of its proper divisors (2111329074479).

4385068077681 is a wasteful number, since it uses less digits than its factorization.

4385068077681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162409928812 (or 162409928806 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 63.

The spelling of 4385068077681 in words is "four trillion, three hundred eighty-five billion, sixty-eight million, seventy-seven thousand, six hundred eighty-one".