77830027783 has 2 divisors, whose sum is σ = 77830027784. Its totient is φ = 77830027782.

The previous prime is 77830027771. The next prime is 77830027787. The reversal of 77830027783 is 38772003877.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77830027783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77830027783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77830027787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38915013891 + 38915013892.

It is an arithmetic number, because the mean of its divisors is an integer number (38915013892).

Almost surely, 2^77830027783 is an apocalyptic number.

77830027783 is a deficient number, since it is larger than the sum of its proper divisors (1).

77830027783 is an equidigital number, since it uses as much as digits as its factorization.

77830027783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2765952, while the sum is 52.

The spelling of 77830027783 in words is "seventy-seven billion, eight hundred thirty million, twenty-seven thousand, seven hundred eighty-three".