77757271275659 has 2 divisors, whose sum is σ = 77757271275660. Its totient is φ = 77757271275658.

The previous prime is 77757271275521. The next prime is 77757271275683. The reversal of 77757271275659 is 95657217275777.

It is a strong prime.

It is an emirp because it is prime and its reverse (95657217275777) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77757271275659 - 2³² = 77752976308363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77757271275659.

It is not a weakly prime, because it can be changed into another prime (77757271205659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38878635637829 + 38878635637830.

It is an arithmetic number, because the mean of its divisors is an integer number (38878635637830).

Almost surely, 2^{77757271275659} is an apocalyptic number.

77757271275659 is a deficient number, since it is larger than the sum of its proper divisors (1).

77757271275659 is an equidigital number, since it uses as much as digits as its factorization.

77757271275659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3176523000, while the sum is 77.

The spelling of 77757271275659 in words is "seventy-seven trillion, seven hundred fifty-seven billion, two hundred seventy-one million, two hundred seventy-five thousand, six hundred fifty-nine".