850140851 has 8 divisors (see below), whose sum is σ = 971818080. Its totient is φ = 728520768.

The previous prime is 850140847. The next prime is 850140859. The reversal of 850140851 is 158041058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 850140851 - 2² = 850140847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (850140859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24695 + ... + 48063.

It is an arithmetic number, because the mean of its divisors is an integer number (121477260).

Almost surely, 2^850140851 is an apocalyptic number.

850140851 is a deficient number, since it is larger than the sum of its proper divisors (121677229).

850140851 is a wasteful number, since it uses less digits than its factorization.

850140851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28573.

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 850140851 is about 29157.1749488869. The cubic root of 850140851 is about 947.3205573072.

The spelling of 850140851 in words is "eight hundred fifty million, one hundred forty thousand, eight hundred fifty-one".