854781552 has 40 divisors (see below), whose sum is σ = 2453540880. Its totient is φ = 284927040.

The previous prime is 854781541. The next prime is 854781553. The reversal of 854781552 is 255187458.

It is a junction number, because it is equal to n+sod(n) for n = 854781498 and 854781507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854781553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988899 + ... + 989762.

It is an arithmetic number, because the mean of its divisors is an integer number (61338522).

Almost surely, 2^854781552 is an apocalyptic number.

It is an amenable number.

854781552 is an abundant number, since it is smaller than the sum of its proper divisors (1598759328).

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

854781552 is a wasteful number, since it uses less digits than its factorization.

854781552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978678 (or 1978666 counting only the distinct ones).

The product of its digits is 448000, while the sum is 45.

The square root of 854781552 is about 29236.6474138195. The cubic root of 854781552 is about 949.0411570264.

The spelling of 854781552 in words is "eight hundred fifty-four million, seven hundred eighty-one thousand, five hundred fifty-two".