77104367293 has 2 divisors, whose sum is σ = 77104367294. Its totient is φ = 77104367292.

The previous prime is 77104367269. The next prime is 77104367341. The reversal of 77104367293 is 39276340177.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76514751769 + 589615524 = 276613^2 + 24282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77104367293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77104367203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38552183646 + 38552183647.

It is an arithmetic number, because the mean of its divisors is an integer number (38552183647).

Almost surely, 2^77104367293 is an apocalyptic number.

It is an amenable number.

77104367293 is a deficient number, since it is larger than the sum of its proper divisors (1).

77104367293 is an equidigital number, since it uses as much as digits as its factorization.

77104367293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 49.

The spelling of 77104367293 in words is "seventy-seven billion, one hundred four million, three hundred sixty-seven thousand, two hundred ninety-three".