78848041 has 2 divisors, whose sum is σ = 78848042. Its totient is φ = 78848040.

The previous prime is 78848039. The next prime is 78848087. The reversal of 78848041 is 14084887.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64064016 + 14784025 = 8004^2 + 3845^2 .

It is an emirp because it is prime and its reverse (14084887) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78848041 - 2¹ = 78848039 is a prime.

Together with 78848039, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 78847985 and 78848003.

It is not a weakly prime, because it can be changed into another prime (78848641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39424020 + 39424021.

It is an arithmetic number, because the mean of its divisors is an integer number (39424021).

Almost surely, 2^78848041 is an apocalyptic number.

It is an amenable number.

78848041 is a deficient number, since it is larger than the sum of its proper divisors (1).

78848041 is an equidigital number, since it uses as much as digits as its factorization.

78848041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 78848041 is about 8879.6419409794. The cubic root of 78848041 is about 428.8087472023.

The spelling of 78848041 in words is "seventy-eight million, eight hundred forty-eight thousand, forty-one".