851217468 has 48 divisors (see below), whose sum is σ = 2053201920. Its totient is φ = 274190400.

The previous prime is 851217467. The next prime is 851217473. The reversal of 851217468 is 864712158.

851217468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851217467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367498 + ... + 369806.

It is an arithmetic number, because the mean of its divisors is an integer number (42775040).

Almost surely, 2^851217468 is an apocalyptic number.

It is an amenable number.

851217468 is an abundant number, since it is smaller than the sum of its proper divisors (1201984452).

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

851217468 is a wasteful number, since it uses less digits than its factorization.

851217468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3338 (or 3336 counting only the distinct ones).

The product of its digits is 107520, while the sum is 42.

The square root of 851217468 is about 29175.6314070493. The cubic root of 851217468 is about 947.7202836914.

The spelling of 851217468 in words is "eight hundred fifty-one million, two hundred seventeen thousand, four hundred sixty-eight".