857603099539 has 2 divisors, whose sum is σ = 857603099540. Its totient is φ = 857603099538.

The previous prime is 857603099489. The next prime is 857603099581. The reversal of 857603099539 is 935990306758.

857603099539 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 is a cyclic number.

It is not a de Polignac number, because 857603099539 - 2¹³ = 857603091347 is a prime.

It is not a weakly prime, because it can be changed into another prime (857603099039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428801549769 + 428801549770.

It is an arithmetic number, because the mean of its divisors is an integer number (428801549770).

Almost surely, 2^857603099539 is an apocalyptic number.

857603099539 is a deficient number, since it is larger than the sum of its proper divisors (1).

857603099539 is an equidigital number, since it uses as much as digits as its factorization.

857603099539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55112400, while the sum is 64.

The spelling of 857603099539 in words is "eight hundred fifty-seven billion, six hundred three million, ninety-nine thousand, five hundred thirty-nine".