78441703 has 2 divisors, whose sum is σ = 78441704. Its totient is φ = 78441702.

The previous prime is 78441697. The next prime is 78441743. The reversal of 78441703 is 30714487.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78441703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78441743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39220851 + 39220852.

It is an arithmetic number, because the mean of its divisors is an integer number (39220852).

Almost surely, 2^78441703 is an apocalyptic number.

78441703 is a deficient number, since it is larger than the sum of its proper divisors (1).

78441703 is an equidigital number, since it uses as much as digits as its factorization.

78441703 is an evil number, because the sum of its binary digits is even.

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

The square root of 78441703 is about 8856.7320722714. The cubic root of 78441703 is about 428.0708659989.

The spelling of 78441703 in words is "seventy-eight million, four hundred forty-one thousand, seven hundred three".