854221764 has 72 divisors (see below), whose sum is σ = 2221142560. Its totient is φ = 255277440.

The previous prime is 854221751. The next prime is 854221769. The reversal of 854221764 is 467122458.

854221764 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 (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (854221769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101967 + ... + 110025.

Almost surely, 2^854221764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 854221764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1110571280).

854221764 is an abundant number, since it is smaller than the sum of its proper divisors (1366920796).

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

854221764 is a wasteful number, since it uses less digits than its factorization.

854221764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8161 (or 8148 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 854221764 is about 29227.0724500419. The cubic root of 854221764 is about 948.8339392232.

The spelling of 854221764 in words is "eight hundred fifty-four million, two hundred twenty-one thousand, seven hundred sixty-four".