87652243 has 4 divisors (see below), whose sum is σ = 100174000. Its totient is φ = 75130488.

The previous prime is 87652237. The next prime is 87652247. The reversal of 87652243 is 34225678.

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 87652243 - 2⁵ = 87652211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87652247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6260868 + ... + 6260881.

It is an arithmetic number, because the mean of its divisors is an integer number (25043500).

Almost surely, 2^87652243 is an apocalyptic number.

87652243 is a deficient number, since it is larger than the sum of its proper divisors (12521757).

87652243 is a wasteful number, since it uses less digits than its factorization.

87652243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12521756.

The product of its digits is 80640, while the sum is 37.

The square root of 87652243 is about 9362.2776609114. The cubic root of 87652243 is about 444.2093320055.

The spelling of 87652243 in words is "eighty-seven million, six hundred fifty-two thousand, two hundred forty-three".