850375775503 has 2 divisors, whose sum is σ = 850375775504. Its totient is φ = 850375775502.

The previous prime is 850375775477. The next prime is 850375775519. The reversal of 850375775503 is 305577573058.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 850375775503 - 2⁹ = 850375774991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850375725503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425187887751 + 425187887752.

It is an arithmetic number, because the mean of its divisors is an integer number (425187887752).

Almost surely, 2^850375775503 is an apocalyptic number.

850375775503 is a deficient number, since it is larger than the sum of its proper divisors (1).

850375775503 is an equidigital number, since it uses as much as digits as its factorization.

850375775503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15435000, while the sum is 55.

The spelling of 850375775503 in words is "eight hundred fifty billion, three hundred seventy-five million, seven hundred seventy-five thousand, five hundred three".