78263327 has 2 divisors, whose sum is σ = 78263328. Its totient is φ = 78263326.

The previous prime is 78263321. The next prime is 78263347. The reversal of 78263327 is 72336287.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78263327 - 2²⁴ = 61486111 is a prime.

It is a super-2 number, since 2×78263327² = 12250296706217858, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78263321) 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, 39131663 + 39131664.

It is an arithmetic number, because the mean of its divisors is an integer number (39131664).

Almost surely, 2^78263327 is an apocalyptic number.

78263327 is a deficient number, since it is larger than the sum of its proper divisors (1).

78263327 is an equidigital number, since it uses as much as digits as its factorization.

78263327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 38.

The square root of 78263327 is about 8846.6562609836. The cubic root of 78263327 is about 427.7461428053.

The spelling of 78263327 in words is "seventy-eight million, two hundred sixty-three thousand, three hundred twenty-seven".