77607106559 has 2 divisors, whose sum is σ = 77607106560. Its totient is φ = 77607106558.

The previous prime is 77607106531. The next prime is 77607106573. The reversal of 77607106559 is 95560170677.

It is a strong prime.

It is an emirp because it is prime and its reverse (95560170677) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77607106559 - 2²⁰ = 77606057983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77607106559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77607106259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38803553279 + 38803553280.

It is an arithmetic number, because the mean of its divisors is an integer number (38803553280).

Almost surely, 2^77607106559 is an apocalyptic number.

77607106559 is a deficient number, since it is larger than the sum of its proper divisors (1).

77607106559 is an equidigital number, since it uses as much as digits as its factorization.

77607106559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2778300, while the sum is 53.

The spelling of 77607106559 in words is "seventy-seven billion, six hundred seven million, one hundred six thousand, five hundred fifty-nine".