7677420225571 has 2 divisors, whose sum is σ = 7677420225572. Its totient is φ = 7677420225570.

The previous prime is 7677420225557. The next prime is 7677420225577. The reversal of 7677420225571 is 1755220247767.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7677420225571 - 2¹⁷ = 7677420094499 is a prime.

It is not a weakly prime, because it can be changed into another prime (7677420225577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3838710112785 + 3838710112786.

It is an arithmetic number, because the mean of its divisors is an integer number (3838710112786).

Almost surely, 2^{7677420225571} is an apocalyptic number.

7677420225571 is a deficient number, since it is larger than the sum of its proper divisors (1).

7677420225571 is an equidigital number, since it uses as much as digits as its factorization.

7677420225571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11524800, while the sum is 55.

The spelling of 7677420225571 in words is "seven trillion, six hundred seventy-seven billion, four hundred twenty million, two hundred twenty-five thousand, five hundred seventy-one".