87244916 has 12 divisors (see below), whose sum is σ = 166558560. Its totient is φ = 39656760.

The previous prime is 87244909. The next prime is 87244933. The reversal of 87244916 is 61944278.

It is a super-2 number, since 2×87244916² = 15223350735694112, which contains 22 as substring.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 991376 + ... + 991463.

It is an arithmetic number, because the mean of its divisors is an integer number (13879880).

Almost surely, 2^87244916 is an apocalyptic number.

It is an amenable number.

87244916 is a deficient number, since it is larger than the sum of its proper divisors (79313644).

87244916 is a wasteful number, since it uses less digits than its factorization.

87244916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982854 (or 1982852 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 87244916 is about 9340.4987018895. The cubic root of 87244916 is about 443.5201712466.

The spelling of 87244916 in words is "eighty-seven million, two hundred forty-four thousand, nine hundred sixteen".