850230287251 has 4 divisors (see below), whose sum is σ = 854546177232. Its totient is φ = 845914397272.

The previous prime is 850230287209. The next prime is 850230287279. The reversal of 850230287251 is 152782032058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 850230287251 - 2¹⁷ = 850230156179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 850230287198 and 850230287207.

It is not an unprimeable number, because it can be changed into a prime (850230287201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2157944695 + ... + 2157945088.

It is an arithmetic number, because the mean of its divisors is an integer number (213636544308).

Almost surely, 2^850230287251 is an apocalyptic number.

850230287251 is a deficient number, since it is larger than the sum of its proper divisors (4315889981).

850230287251 is a wasteful number, since it uses less digits than its factorization.

850230287251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4315889980.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 850230287251 in words is "eight hundred fifty billion, two hundred thirty million, two hundred eighty-seven thousand, two hundred fifty-one".