87882289 has 8 divisors (see below), whose sum is σ = 98463168. Its totient is φ = 77733360.

The previous prime is 87882281. The next prime is 87882307. The reversal of 87882289 is 98228878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87882289 - 2³ = 87882281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87882281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107557 + ... + 108370.

It is an arithmetic number, because the mean of its divisors is an integer number (12307896).

Almost surely, 2^87882289 is an apocalyptic number.

It is an amenable number.

87882289 is a deficient number, since it is larger than the sum of its proper divisors (10580879).

87882289 is a wasteful number, since it uses less digits than its factorization.

87882289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215975.

The product of its digits is 1032192, while the sum is 52.

The square root of 87882289 is about 9374.5554027911. Note that the first 3 decimals coincide. The cubic root of 87882289 is about 444.5976061961.

The spelling of 87882289 in words is "eighty-seven million, eight hundred eighty-two thousand, two hundred eighty-nine".