77325174841601 has 2 divisors, whose sum is σ = 77325174841602. Its totient is φ = 77325174841600.

The previous prime is 77325174841553. The next prime is 77325174841619. The reversal of 77325174841601 is 10614847152377.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70511691471376 + 6813483370225 = 8397124^2 + 2610265^2 .

It is a cyclic number.

It is not a de Polignac number, because 77325174841601 - 2¹⁰ = 77325174840577 is a prime.

It is not a weakly prime, because it can be changed into another prime (77325174841001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38662587420800 + 38662587420801.

It is an arithmetic number, because the mean of its divisors is an integer number (38662587420801).

Almost surely, 2^{77325174841601} is an apocalyptic number.

It is an amenable number.

77325174841601 is a deficient number, since it is larger than the sum of its proper divisors (1).

77325174841601 is an equidigital number, since it uses as much as digits as its factorization.

77325174841601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7902720, while the sum is 56.

The spelling of 77325174841601 in words is "seventy-seven trillion, three hundred twenty-five billion, one hundred seventy-four million, eight hundred forty-one thousand, six hundred one".