123778406060479 has 2 divisors, whose sum is σ = 123778406060480. Its totient is φ = 123778406060478.

The previous prime is 123778406060377. The next prime is 123778406060513. The reversal of 123778406060479 is 974060604877321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123778406060479 - 2¹¹ = 123778406058431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123778406060479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123778406063479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61889203030239 + 61889203030240.

It is an arithmetic number, because the mean of its divisors is an integer number (61889203030240).

Almost surely, 2^{123778406060479} is an apocalyptic number.

123778406060479 is a deficient number, since it is larger than the sum of its proper divisors (1).

123778406060479 is an equidigital number, since it uses as much as digits as its factorization.

123778406060479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85349376, while the sum is 64.

The spelling of 123778406060479 in words is "one hundred twenty-three trillion, seven hundred seventy-eight billion, four hundred six million, sixty thousand, four hundred seventy-nine".