78736088423 has 2 divisors, whose sum is σ = 78736088424. Its totient is φ = 78736088422.

The previous prime is 78736088411. The next prime is 78736088491. The reversal of 78736088423 is 32488063787.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78736088423 - 2¹² = 78736084327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78736088323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39368044211 + 39368044212.

It is an arithmetic number, because the mean of its divisors is an integer number (39368044212).

Almost surely, 2^78736088423 is an apocalyptic number.

78736088423 is a deficient number, since it is larger than the sum of its proper divisors (1).

78736088423 is an equidigital number, since it uses as much as digits as its factorization.

78736088423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 78736088423 in words is "seventy-eight billion, seven hundred thirty-six million, eighty-eight thousand, four hundred twenty-three".