678760373754101 has 2 divisors, whose sum is σ = 678760373754102. Its totient is φ = 678760373754100.

The previous prime is 678760373754061. The next prime is 678760373754119. The reversal of 678760373754101 is 101457373067876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 540396321773476 + 138364051980625 = 23246426^2 + 11762825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-678760373754101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (678760373754901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339380186877050 + 339380186877051.

It is an arithmetic number, because the mean of its divisors is an integer number (339380186877051).

Almost surely, 2^{678760373754101} is an apocalyptic number.

It is an amenable number.

678760373754101 is a deficient number, since it is larger than the sum of its proper divisors (1).

678760373754101 is an equidigital number, since it uses as much as digits as its factorization.

678760373754101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124467840, while the sum is 65.

The spelling of 678760373754101 in words is "six hundred seventy-eight trillion, seven hundred sixty billion, three hundred seventy-three million, seven hundred fifty-four thousand, one hundred one".