8791227 has 32 divisors (see below), whose sum is σ = 13996800. Its totient is φ = 5433984.

The previous prime is 8791219. The next prime is 8791229. The reversal of 8791227 is 7221978.

It is not a de Polignac number, because 8791227 - 2³ = 8791219 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8791191 and 8791200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8791229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49024 + ... + 49202.

It is an arithmetic number, because the mean of its divisors is an integer number (437400).

Almost surely, 2^8791227 is an apocalyptic number.

8791227 is a deficient number, since it is larger than the sum of its proper divisors (5205573).

8791227 is a wasteful number, since it uses less digits than its factorization.

8791227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 306 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 8791227 is about 2965.0003372681. Note that the first 3 decimals coincide. The cubic root of 8791227 is about 206.3873927535.

The spelling of 8791227 in words is "eight million, seven hundred ninety-one thousand, two hundred twenty-seven".