10810878778639 has 2 divisors, whose sum is σ = 10810878778640. Its totient is φ = 10810878778638.

The previous prime is 10810878778603. The next prime is 10810878778699. The reversal of 10810878778639 is 93687787801801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10810878778639 - 2⁹ = 10810878778127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10810878778699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5405439389319 + 5405439389320.

It is an arithmetic number, because the mean of its divisors is an integer number (5405439389320).

Almost surely, 2^{10810878778639} is an apocalyptic number.

10810878778639 is a deficient number, since it is larger than the sum of its proper divisors (1).

10810878778639 is an equidigital number, since it uses as much as digits as its factorization.

10810878778639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 227598336, while the sum is 73.

The spelling of 10810878778639 in words is "ten trillion, eight hundred ten billion, eight hundred seventy-eight million, seven hundred seventy-eight thousand, six hundred thirty-nine".