4255627761781 has 16 divisors (see below), whose sum is σ = 4812451079040. Its totient is φ = 3727676998080.

The previous prime is 4255627761739. The next prime is 4255627761857. The reversal of 4255627761781 is 1871677265524.

It is a cyclic number.

It is not a de Polignac number, because 4255627761781 - 2⁷ = 4255627761653 is a prime.

It is a super-2 number, since 2×4255627761781² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255627761181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13541286 + ... + 13851991.

It is an arithmetic number, because the mean of its divisors is an integer number (300778192440).

Almost surely, 2^{4255627761781} is an apocalyptic number.

It is an amenable number.

4255627761781 is a deficient number, since it is larger than the sum of its proper divisors (556823317259).

4255627761781 is a wasteful number, since it uses less digits than its factorization.

4255627761781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27393804.

The product of its digits is 39513600, while the sum is 61.

The spelling of 4255627761781 in words is "four trillion, two hundred fifty-five billion, six hundred twenty-seven million, seven hundred sixty-one thousand, seven hundred eighty-one".