87566241 has 8 divisors (see below), whose sum is σ = 133434304. Its totient is φ = 50037840.

The previous prime is 87566191. The next prime is 87566243. The reversal of 87566241 is 14266578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87566241 - 2⁹ = 87565729 is a prime.

It is a super-3 number, since 3×87566241³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87566241.

It is not an unprimeable number, because it can be changed into a prime (87566243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2084890 + ... + 2084931.

It is an arithmetic number, because the mean of its divisors is an integer number (16679288).

Almost surely, 2^87566241 is an apocalyptic number.

It is an amenable number.

87566241 is a deficient number, since it is larger than the sum of its proper divisors (45868063).

87566241 is a wasteful number, since it uses less digits than its factorization.

87566241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4169831.

The product of its digits is 80640, while the sum is 39.

The square root of 87566241 is about 9357.6835274549. The cubic root of 87566241 is about 444.0640024204.

The spelling of 87566241 in words is "eighty-seven million, five hundred sixty-six thousand, two hundred forty-one".