78967241 has 2 divisors, whose sum is σ = 78967242. Its totient is φ = 78967240.

The previous prime is 78967237. The next prime is 78967277. The reversal of 78967241 is 14276987.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73188025 + 5779216 = 8555^2 + 2404^2 .

It is an emirp because it is prime and its reverse (14276987) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78967241 - 2² = 78967237 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 78967192 and 78967201.

It is not a weakly prime, because it can be changed into another prime (78967541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39483620 + 39483621.

It is an arithmetic number, because the mean of its divisors is an integer number (39483621).

Almost surely, 2^78967241 is an apocalyptic number.

It is an amenable number.

78967241 is a deficient number, since it is larger than the sum of its proper divisors (1).

78967241 is an equidigital number, since it uses as much as digits as its factorization.

78967241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 44.

The square root of 78967241 is about 8886.3513885059. The cubic root of 78967241 is about 429.0247249494.

The spelling of 78967241 in words is "seventy-eight million, nine hundred sixty-seven thousand, two hundred forty-one".