77913241327 has 2 divisors, whose sum is σ = 77913241328. Its totient is φ = 77913241326.

The previous prime is 77913241283. The next prime is 77913241363. The reversal of 77913241327 is 72314231977.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77913241327 - 2³¹ = 75765757679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77913244327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38956620663 + 38956620664.

It is an arithmetic number, because the mean of its divisors is an integer number (38956620664).

Almost surely, 2^77913241327 is an apocalyptic number.

77913241327 is a deficient number, since it is larger than the sum of its proper divisors (1).

77913241327 is an equidigital number, since it uses as much as digits as its factorization.

77913241327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 444528, while the sum is 46.

The spelling of 77913241327 in words is "seventy-seven billion, nine hundred thirteen million, two hundred forty-one thousand, three hundred twenty-seven".