78430841 has 8 divisors (see below), whose sum is σ = 83318400. Its totient is φ = 73619280.

The previous prime is 78430823. The next prime is 78430853. The reversal of 78430841 is 14803487.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78430841 - 2⁶ = 78430777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78430141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16865 + ... + 21006.

It is an arithmetic number, because the mean of its divisors is an integer number (10414800).

Almost surely, 2^78430841 is an apocalyptic number.

It is an amenable number.

78430841 is a deficient number, since it is larger than the sum of its proper divisors (4887559).

78430841 is a wasteful number, since it uses less digits than its factorization.

78430841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37999.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 78430841 is about 8856.1188451827. The cubic root of 78430841 is about 428.0511064398.

The spelling of 78430841 in words is "seventy-eight million, four hundred thirty thousand, eight hundred forty-one".