87249227 has 8 divisors (see below), whose sum is σ = 94158960. Its totient is φ = 80367840.

The previous prime is 87249167. The next prime is 87249233. The reversal of 87249227 is 72294278.

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 87249227 - 2⁶ = 87249163 is a prime.

It is a super-2 number, since 2×87249227² = 15224855224195058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87249257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452 + ... + 13217.

It is an arithmetic number, because the mean of its divisors is an integer number (11769870).

Almost surely, 2^87249227 is an apocalyptic number.

87249227 is a deficient number, since it is larger than the sum of its proper divisors (6909733).

87249227 is a wasteful number, since it uses less digits than its factorization.

87249227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14173.

The product of its digits is 112896, while the sum is 41.

The square root of 87249227 is about 9340.7294683017. The cubic root of 87249227 is about 443.5274762910.

The spelling of 87249227 in words is "eighty-seven million, two hundred forty-nine thousand, two hundred twenty-seven".