855366672 has 40 divisors (see below), whose sum is σ = 2215312576. Its totient is φ = 284397696.

The previous prime is 855366671. The next prime is 855366691. The reversal of 855366672 is 276663558.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (855366671) 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, 3388 + ... + 41499.

Almost surely, 2^855366672 is an apocalyptic number.

It is an amenable number.

855366672 is an abundant number, since it is smaller than the sum of its proper divisors (1359945904).

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

855366672 is a wasteful number, since it uses less digits than its factorization.

855366672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45295 (or 45289 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 48.

The square root of 855366672 is about 29246.6523212487. The cubic root of 855366672 is about 949.2576553439.

The spelling of 855366672 in words is "eight hundred fifty-five million, three hundred sixty-six thousand, six hundred seventy-two".