78314227 has 2 divisors, whose sum is σ = 78314228. Its totient is φ = 78314226.

The previous prime is 78314221. The next prime is 78314233. The reversal of 78314227 is 72241387.

It is a balanced prime because it is at equal distance from previous prime (78314221) and next prime (78314233).

It is a cyclic number.

It is not a de Polignac number, because 78314227 - 2¹⁹ = 77789939 is a prime.

It is a super-2 number, since 2×78314227² = 12266236301215058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78314192 and 78314201.

It is not a weakly prime, because it can be changed into another prime (78314221) 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, 39157113 + 39157114.

It is an arithmetic number, because the mean of its divisors is an integer number (39157114).

Almost surely, 2^78314227 is an apocalyptic number.

78314227 is a deficient number, since it is larger than the sum of its proper divisors (1).

78314227 is an equidigital number, since it uses as much as digits as its factorization.

78314227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 34.

The square root of 78314227 is about 8849.5325865268. The cubic root of 78314227 is about 427.8388535772.

The spelling of 78314227 in words is "seventy-eight million, three hundred fourteen thousand, two hundred twenty-seven".