78079241 has 2 divisors, whose sum is σ = 78079242. Its totient is φ = 78079240.

The previous prime is 78079163. The next prime is 78079279. The reversal of 78079241 is 14297087.

It is an a-pointer prime, because the next prime (78079279) can be obtained adding 78079241 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54760000 + 23319241 = 7400^2 + 4829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78079241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78079195 and 78079204.

It is not a weakly prime, because it can be changed into another prime (78079541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39039620 + 39039621.

It is an arithmetic number, because the mean of its divisors is an integer number (39039621).

Almost surely, 2^78079241 is an apocalyptic number.

It is an amenable number.

78079241 is a deficient number, since it is larger than the sum of its proper divisors (1).

78079241 is an equidigital number, since it uses as much as digits as its factorization.

78079241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 78079241 is about 8836.2458657509. The cubic root of 78079241 is about 427.4105071267.

The spelling of 78079241 in words is "seventy-eight million, seventy-nine thousand, two hundred forty-one".