855588672 has 42 divisors (see below), whose sum is σ = 2452392098. Its totient is φ = 285196032.

The previous prime is 855588649. The next prime is 855588719. The reversal of 855588672 is 276885558.

It is a happy number.

855588672 is a `hidden beast` number, since 8 + 5 + 558 + 86 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 841928256 + 13660416 = 29016^2 + 3696^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 742123 + ... + 743274.

Almost surely, 2^855588672 is an apocalyptic number.

It is an amenable number.

855588672 is an abundant number, since it is smaller than the sum of its proper divisors (1596803426).

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

855588672 is a wasteful number, since it uses less digits than its factorization.

855588672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485415 (or 1485402 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 54.

The square root of 855588672 is about 29250.4473811940. The cubic root of 855588672 is about 949.3397709940.

The spelling of 855588672 in words is "eight hundred fifty-five million, five hundred eighty-eight thousand, six hundred seventy-two".