788644541 has 2 divisors, whose sum is σ = 788644542. Its totient is φ = 788644540.

The previous prime is 788644523. The next prime is 788644543. The reversal of 788644541 is 145446887.

788644541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 784560100 + 4084441 = 28010^2 + 2021^2 .

It is an emirp because it is prime and its reverse (145446887) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-788644541 is a prime.

Together with 788644543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (788644543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394322270 + 394322271.

It is an arithmetic number, because the mean of its divisors is an integer number (394322271).

Almost surely, 2^788644541 is an apocalyptic number.

It is an amenable number.

788644541 is a deficient number, since it is larger than the sum of its proper divisors (1).

788644541 is an equidigital number, since it uses as much as digits as its factorization.

788644541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 860160, while the sum is 47.

The square root of 788644541 is about 28082.8157598201. The cubic root of 788644541 is about 923.9045384816.

The spelling of 788644541 in words is "seven hundred eighty-eight million, six hundred forty-four thousand, five hundred forty-one".