78227341 has 2 divisors, whose sum is σ = 78227342. Its totient is φ = 78227340.

The previous prime is 78227323. The next prime is 78227371. The reversal of 78227341 is 14372287.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54908100 + 23319241 = 7410^2 + 4829^2 .

It is a cyclic number.

It is not a de Polignac number, because 78227341 - 2¹¹ = 78225293 is a prime.

It is a super-2 number, since 2×78227341² = 12239033759860562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78227297 and 78227306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78227371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39113670 + 39113671.

It is an arithmetic number, because the mean of its divisors is an integer number (39113671).

Almost surely, 2^78227341 is an apocalyptic number.

It is an amenable number.

78227341 is a deficient number, since it is larger than the sum of its proper divisors (1).

78227341 is an equidigital number, since it uses as much as digits as its factorization.

78227341 is an evil number, because the sum of its binary digits is even.

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

The square root of 78227341 is about 8844.6221513415. The cubic root of 78227341 is about 427.6805725775.

The spelling of 78227341 in words is "seventy-eight million, two hundred twenty-seven thousand, three hundred forty-one".