855750172 has 12 divisors (see below), whose sum is σ = 1499375080. Its totient is φ = 427357296.

The previous prime is 855750143. The next prime is 855750173. The reversal of 855750172 is 271057558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855750173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125718 + ... + 132349.

Almost surely, 2^855750172 is an apocalyptic number.

It is an amenable number.

855750172 is a deficient number, since it is larger than the sum of its proper divisors (643624908).

855750172 is a wasteful number, since it uses less digits than its factorization.

855750172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258900 (or 258898 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 40.

The square root of 855750172 is about 29253.2078924688. The cubic root of 855750172 is about 949.3994993550.

The spelling of 855750172 in words is "eight hundred fifty-five million, seven hundred fifty thousand, one hundred seventy-two".