851141208 has 32 divisors (see below), whose sum is σ = 2196495360. Its totient is φ = 274561440.

The previous prime is 851141201. The next prime is 851141209. The reversal of 851141208 is 802141158.

It is a happy number.

851141208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851141201) 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, 571260 + ... + 572747.

It is an arithmetic number, because the mean of its divisors is an integer number (68640480).

Almost surely, 2^851141208 is an apocalyptic number.

It is an amenable number.

851141208 is an abundant number, since it is smaller than the sum of its proper divisors (1345354152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

851141208 is a wasteful number, since it uses less digits than its factorization.

851141208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144047 (or 1144043 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 851141208 is about 29174.3244651869. The cubic root of 851141208 is about 947.6919809721.

Subtracting from 851141208 its reverse (802141158), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 851141208 in words is "eight hundred fifty-one million, one hundred forty-one thousand, two hundred eight".