87006844 has 12 divisors (see below), whose sum is σ = 157512600. Its totient is φ = 42003248.

The previous prime is 87006841. The next prime is 87006851. The reversal of 87006844 is 44860078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87006841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374914 + ... + 375145.

It is an arithmetic number, because the mean of its divisors is an integer number (13126050).

Almost surely, 2^87006844 is an apocalyptic number.

It is an amenable number.

87006844 is a deficient number, since it is larger than the sum of its proper divisors (70505756).

87006844 is a wasteful number, since it uses less digits than its factorization.

87006844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750092 (or 750090 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 87006844 is about 9327.7459227833. The cubic root of 87006844 is about 443.1163810562.

The spelling of 87006844 in words is "eighty-seven million, six thousand, eight hundred forty-four".