858203272 has 16 divisors (see below), whose sum is σ = 1609945740. Its totient is φ = 428884416.

The previous prime is 858203263. The next prime is 858203279. The reversal of 858203272 is 272302858.

It can be written as a sum of positive squares in 2 ways, for example, as 851822596 + 6380676 = 29186^2 + 2526^2 .

It is not an unprimeable number, because it can be changed into a prime (858203279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9703 + ... + 42550.

Almost surely, 2^858203272 is an apocalyptic number.

It is an amenable number.

858203272 is a deficient number, since it is larger than the sum of its proper divisors (751742468).

858203272 is a wasteful number, since it uses less digits than its factorization.

858203272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54312 (or 54308 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 858203272 is about 29295.1066220965. The cubic root of 858203272 is about 950.3058191779.

The spelling of 858203272 in words is "eight hundred fifty-eight million, two hundred three thousand, two hundred seventy-two".