78932263 has 2 divisors, whose sum is σ = 78932264. Its totient is φ = 78932262.

The previous prime is 78932237. The next prime is 78932267. The reversal of 78932263 is 36223987.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78932263 - 2⁹ = 78931751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78932267) 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, 39466131 + 39466132.

It is an arithmetic number, because the mean of its divisors is an integer number (39466132).

Almost surely, 2^78932263 is an apocalyptic number.

78932263 is a deficient number, since it is larger than the sum of its proper divisors (1).

78932263 is an equidigital number, since it uses as much as digits as its factorization.

78932263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 78932263 is about 8884.3830961975. The cubic root of 78932263 is about 428.9613710706.

The spelling of 78932263 in words is "seventy-eight million, nine hundred thirty-two thousand, two hundred sixty-three".