947087227 has 4 divisors (see below), whose sum is σ = 952758576. Its totient is φ = 941415880.

The previous prime is 947087179. The next prime is 947087237. The reversal of 947087227 is 722780749.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722780749 = 127 ⋅5691187.

It is a cyclic number.

It is not a de Polignac number, because 947087227 - 2¹¹ = 947085179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (947087237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2835424 + ... + 2835757.

It is an arithmetic number, because the mean of its divisors is an integer number (238189644).

Almost surely, 2^947087227 is an apocalyptic number.

947087227 is a deficient number, since it is larger than the sum of its proper divisors (5671349).

947087227 is a wasteful number, since it uses less digits than its factorization.

947087227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671348.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 947087227 is about 30774.7823225445. The cubic root of 947087227 is about 982.0418441111.

The spelling of 947087227 in words is "nine hundred forty-seven million, eighty-seven thousand, two hundred twenty-seven".