117227889 has 12 divisors (see below), whose sum is σ = 175168500. Its totient is φ = 75456864.

The previous prime is 117227879. The next prime is 117227899. The reversal of 117227889 is 988722711.

It is an interprime number because it is at equal distance from previous prime (117227879) and next prime (117227899).

It can be written as a sum of positive squares in 2 ways, for example, as 73667889 + 43560000 = 8583^2 + 6600^2 .

It is not a de Polignac number, because 117227889 - 2⁵ = 117227857 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (117227819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224314 + ... + 224835.

It is an arithmetic number, because the mean of its divisors is an integer number (14597375).

Almost surely, 2^117227889 is an apocalyptic number.

It is an amenable number.

117227889 is a deficient number, since it is larger than the sum of its proper divisors (57940611).

117227889 is a wasteful number, since it uses less digits than its factorization.

117227889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449184 (or 449181 counting only the distinct ones).

The product of its digits is 112896, while the sum is 45.

The square root of 117227889 is about 10827.1828745985. The cubic root of 117227889 is about 489.4146682759.

The spelling of 117227889 in words is "one hundred seventeen million, two hundred twenty-seven thousand, eight hundred eighty-nine".