7727423745105 has 24 divisors (see below), whose sum is σ = 13445129700288. Its totient is φ = 4105622343456.

The previous prime is 7727423745089. The next prime is 7727423745109. The reversal of 7727423745105 is 5015473247277.

7727423745105 is a `hidden beast` number, since 7 + 72 + 7 + 423 + 7 + 45 + 105 = 666.

It is not a de Polignac number, because 7727423745105 - 2⁴ = 7727423745089 is a prime.

It is a super-2 number, since 2×7727423745105² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7727423745109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326453047 + ... + 326476716.

It is an arithmetic number, because the mean of its divisors is an integer number (560213737512).

Almost surely, 2^{7727423745105} is an apocalyptic number.

It is an amenable number.

7727423745105 is a deficient number, since it is larger than the sum of its proper divisors (5717705955183).

7727423745105 is a wasteful number, since it uses less digits than its factorization.

7727423745105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652930037 (or 652930034 counting only the distinct ones).

The product of its (nonzero) digits is 11524800, while the sum is 54.

The spelling of 7727423745105 in words is "seven trillion, seven hundred twenty-seven billion, four hundred twenty-three million, seven hundred forty-five thousand, one hundred five".