78785732822341 has 2 divisors, whose sum is σ = 78785732822342. Its totient is φ = 78785732822340.

The previous prime is 78785732822311. The next prime is 78785732822359. The reversal of 78785732822341 is 14322823758787.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76779390888225 + 2006341934116 = 8762385^2 + 1416454^2 .

It is a cyclic number.

It is not a de Polignac number, because 78785732822341 - 2⁷ = 78785732822213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78785732822311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39392866411170 + 39392866411171.

It is an arithmetic number, because the mean of its divisors is an integer number (39392866411171).

Almost surely, 2^{78785732822341} is an apocalyptic number.

It is an amenable number.

78785732822341 is a deficient number, since it is larger than the sum of its proper divisors (1).

78785732822341 is an equidigital number, since it uses as much as digits as its factorization.

78785732822341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252887040, while the sum is 67.

The spelling of 78785732822341 in words is "seventy-eight trillion, seven hundred eighty-five billion, seven hundred thirty-two million, eight hundred twenty-two thousand, three hundred forty-one".