850357851 has 16 divisors (see below), whose sum is σ = 1296238848. Its totient is φ = 485748000.

The previous prime is 850357847. The next prime is 850357861. The reversal of 850357851 is 158753058.

It is a happy number.

It is not a de Polignac number, because 850357851 - 2² = 850357847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (850357831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77401 + ... + 87701.

It is an arithmetic number, because the mean of its divisors is an integer number (81014928).

Almost surely, 2^850357851 is an apocalyptic number.

850357851 is a deficient number, since it is larger than the sum of its proper divisors (445880997).

850357851 is a wasteful number, since it uses less digits than its factorization.

850357851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14242.

The product of its (nonzero) digits is 168000, while the sum is 42.

The square root of 850357851 is about 29160.8959224507. The cubic root of 850357851 is about 947.4011522160.

The spelling of 850357851 in words is "eight hundred fifty million, three hundred fifty-seven thousand, eight hundred fifty-one".