77016145757 has 2 divisors, whose sum is σ = 77016145758. Its totient is φ = 77016145756.

The previous prime is 77016145711. The next prime is 77016145781. The reversal of 77016145757 is 75754161077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76629866041 + 386279716 = 276821^2 + 19654^2 .

It is a cyclic number.

It is not a de Polignac number, because 77016145757 - 2⁶ = 77016145693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77016145957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38508072878 + 38508072879.

It is an arithmetic number, because the mean of its divisors is an integer number (38508072879).

Almost surely, 2^77016145757 is an apocalyptic number.

It is an amenable number.

77016145757 is a deficient number, since it is larger than the sum of its proper divisors (1).

77016145757 is an equidigital number, since it uses as much as digits as its factorization.

77016145757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440600, while the sum is 50.

The spelling of 77016145757 in words is "seventy-seven billion, sixteen million, one hundred forty-five thousand, seven hundred fifty-seven".