87336249 has 64 divisors (see below), whose sum is σ = 158269440. Its totient is φ = 41368320.

The previous prime is 87336247. The next prime is 87336253. The reversal of 87336249 is 94263378.

It is not a de Polignac number, because 87336249 - 2¹ = 87336247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87336249.

It is not an unprimeable number, because it can be changed into a prime (87336241) 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 63 ways as a sum of consecutive naturals, for example, 381267 + ... + 381495.

It is an arithmetic number, because the mean of its divisors is an integer number (2472960).

Almost surely, 2^87336249 is an apocalyptic number.

It is an amenable number.

87336249 is a deficient number, since it is larger than the sum of its proper divisors (70933191).

87336249 is a wasteful number, since it uses less digits than its factorization.

87336249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390.

The product of its digits is 217728, while the sum is 42.

The square root of 87336249 is about 9345.3865088609. The cubic root of 87336249 is about 443.6748847531.

The spelling of 87336249 in words is "eighty-seven million, three hundred thirty-six thousand, two hundred forty-nine".