899227047 has 16 divisors (see below), whose sum is σ = 1248357600. Its totient is φ = 575270400.

The previous prime is 899226997. The next prime is 899227057. The reversal of 899227047 is 740722998.

It is not a de Polignac number, because 899227047 - 2¹⁰ = 899226023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 899226987 and 899227005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899227057) 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 15 ways as a sum of consecutive naturals, for example, 52422 + ... + 67427.

It is an arithmetic number, because the mean of its divisors is an integer number (78022350).

Almost surely, 2^899227047 is an apocalyptic number.

899227047 is a deficient number, since it is larger than the sum of its proper divisors (349130553).

899227047 is a wasteful number, since it uses less digits than its factorization.

899227047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119954.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 899227047 is about 29987.1146828100. The cubic root of 899227047 is about 965.2129062123.

It can be divided in two parts, 89922 and 7047, that added together give a palindrome (96969).

The spelling of 899227047 in words is "eight hundred ninety-nine million, two hundred twenty-seven thousand, forty-seven".