87087244 has 6 divisors (see below), whose sum is σ = 152402684. Its totient is φ = 43543620.

The previous prime is 87087229. The next prime is 87087257. The reversal of 87087244 is 44278078.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 87087197 and 87087206.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10885902 + ... + 10885909.

Almost surely, 2^87087244 is an apocalyptic number.

It is an amenable number.

87087244 is a deficient number, since it is larger than the sum of its proper divisors (65315440).

87087244 is a wasteful number, since it uses less digits than its factorization.

87087244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21771815 (or 21771813 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 40.

The square root of 87087244 is about 9332.0546505044. The cubic root of 87087244 is about 443.2528285174.

The spelling of 87087244 in words is "eighty-seven million, eighty-seven thousand, two hundred forty-four".