78032623 has 2 divisors, whose sum is σ = 78032624. Its totient is φ = 78032622.

The previous prime is 78032609. The next prime is 78032651. The reversal of 78032623 is 32623087.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78032623 - 2⁹ = 78032111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78032683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39016311 + 39016312.

It is an arithmetic number, because the mean of its divisors is an integer number (39016312).

Almost surely, 2^78032623 is an apocalyptic number.

78032623 is a deficient number, since it is larger than the sum of its proper divisors (1).

78032623 is an equidigital number, since it uses as much as digits as its factorization.

78032623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 78032623 is about 8833.6075869375. The cubic root of 78032623 is about 427.3254269374.

The spelling of 78032623 in words is "seventy-eight million, thirty-two thousand, six hundred twenty-three".