87008743 has 4 divisors (see below), whose sum is σ = 87054520. Its totient is φ = 86962968.

The previous prime is 87008741. The next prime is 87008749. The reversal of 87008743 is 34780078.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87008743 - 2¹ = 87008741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87008741) 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, 19908 + ... + 23881.

It is an arithmetic number, because the mean of its divisors is an integer number (21763630).

Almost surely, 2^87008743 is an apocalyptic number.

87008743 is a deficient number, since it is larger than the sum of its proper divisors (45777).

87008743 is a wasteful number, since it uses less digits than its factorization.

87008743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45776.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 87008743 is about 9327.8477153093. The cubic root of 87008743 is about 443.1196048328.

The spelling of 87008743 in words is "eighty-seven million, eight thousand, seven hundred forty-three".