77043019705343 has 2 divisors, whose sum is σ = 77043019705344. Its totient is φ = 77043019705342.

The previous prime is 77043019705291. The next prime is 77043019705357. The reversal of 77043019705343 is 34350791034077.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77043019705343 - 2⁴⁶ = 6674275527679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77043019765343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38521509852671 + 38521509852672.

It is an arithmetic number, because the mean of its divisors is an integer number (38521509852672).

Almost surely, 2^{77043019705343} is an apocalyptic number.

77043019705343 is a deficient number, since it is larger than the sum of its proper divisors (1).

77043019705343 is an equidigital number, since it uses as much as digits as its factorization.

77043019705343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6667920, while the sum is 53.

The spelling of 77043019705343 in words is "seventy-seven trillion, forty-three billion, nineteen million, seven hundred five thousand, three hundred forty-three".