850758256987 has 2 divisors, whose sum is σ = 850758256988. Its totient is φ = 850758256986.

The previous prime is 850758256927. The next prime is 850758256993. The reversal of 850758256987 is 789652857058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 850758256987 - 2¹¹ = 850758254939 is a prime.

It is a super-2 number, since 2×850758256987² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (850758256927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425379128493 + 425379128494.

It is an arithmetic number, because the mean of its divisors is an integer number (425379128494).

Almost surely, 2^850758256987 is an apocalyptic number.

850758256987 is a deficient number, since it is larger than the sum of its proper divisors (1).

850758256987 is an equidigital number, since it uses as much as digits as its factorization.

850758256987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688000, while the sum is 70.

The spelling of 850758256987 in words is "eight hundred fifty billion, seven hundred fifty-eight million, two hundred fifty-six thousand, nine hundred eighty-seven".