78796423 has 2 divisors, whose sum is σ = 78796424. Its totient is φ = 78796422.

The previous prime is 78796351. The next prime is 78796429. The reversal of 78796423 is 32469787.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78796423 - 2⁹ = 78795911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78796429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39398211 + 39398212.

It is an arithmetic number, because the mean of its divisors is an integer number (39398212).

Almost surely, 2^78796423 is an apocalyptic number.

78796423 is a deficient number, since it is larger than the sum of its proper divisors (1).

78796423 is an equidigital number, since it uses as much as digits as its factorization.

78796423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 78796423 is about 8876.7349290153. The cubic root of 78796423 is about 428.7151533245.

The spelling of 78796423 in words is "seventy-eight million, seven hundred ninety-six thousand, four hundred twenty-three".