851850801 has 12 divisors (see below), whose sum is σ = 1237821312. Its totient is φ = 564498936.

The previous prime is 851850763. The next prime is 851850803. The reversal of 851850801 is 108058158.

It is not a de Polignac number, because 851850801 - 2¹⁸ = 851588657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (851850803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281881 + ... + 284886.

It is an arithmetic number, because the mean of its divisors is an integer number (103151776).

Almost surely, 2^851850801 is an apocalyptic number.

It is an amenable number.

851850801 is a deficient number, since it is larger than the sum of its proper divisors (385970511).

851850801 is a wasteful number, since it uses less digits than its factorization.

851850801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566940 (or 566937 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 36.

The square root of 851850801 is about 29186.4831899974. The cubic root of 851850801 is about 947.9552701482.

It can be divided in two parts, 8518 and 50801, that added together give a cube (59319 = 39³).

The spelling of 851850801 in words is "eight hundred fifty-one million, eight hundred fifty thousand, eight hundred one".