77760803617859 has 2 divisors, whose sum is σ = 77760803617860. Its totient is φ = 77760803617858.

The previous prime is 77760803617801. The next prime is 77760803617927. The reversal of 77760803617859 is 95871630806777.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77760803617859 - 2¹² = 77760803613763 is a prime.

It is not a weakly prime, because it can be changed into another prime (77760803611859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38880401808929 + 38880401808930.

It is an arithmetic number, because the mean of its divisors is an integer number (38880401808930).

Almost surely, 2^{77760803617859} is an apocalyptic number.

77760803617859 is a deficient number, since it is larger than the sum of its proper divisors (1).

77760803617859 is an equidigital number, since it uses as much as digits as its factorization.

77760803617859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746807040, while the sum is 74.

The spelling of 77760803617859 in words is "seventy-seven trillion, seven hundred sixty billion, eight hundred three million, six hundred seventeen thousand, eight hundred fifty-nine".