7727424644641 has 16 divisors (see below), whose sum is σ = 8341974200448. Its totient is φ = 7115771836800.

The previous prime is 7727424644633. The next prime is 7727424644647. The reversal of 7727424644641 is 1464464247277.

It is a cyclic number.

It is not a de Polignac number, because 7727424644641 - 2³ = 7727424644633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7727424644647) 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, 8542356 + ... + 9403546.

It is an arithmetic number, because the mean of its divisors is an integer number (521373387528).

Almost surely, 2^{7727424644641} is an apocalyptic number.

It is an amenable number.

7727424644641 is a deficient number, since it is larger than the sum of its proper divisors (614549555807).

7727424644641 is a wasteful number, since it uses less digits than its factorization.

7727424644641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862872.

The product of its digits is 50577408, while the sum is 58.

The spelling of 7727424644641 in words is "seven trillion, seven hundred twenty-seven billion, four hundred twenty-four million, six hundred forty-four thousand, six hundred forty-one".