87243682 has 8 divisors (see below), whose sum is σ = 131061996. Its totient is φ = 43556352.

The previous prime is 87243659. The next prime is 87243683. The reversal of 87243682 is 28634278.

It can be written as a sum of positive squares in 2 ways, for example, as 84107241 + 3136441 = 9171^2 + 1771^2 .

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

It is a super-2 number, since 2×87243682² = 15222920097834248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87243683) 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, 31063 + ... + 33754.

Almost surely, 2^87243682 is an apocalyptic number.

87243682 is a deficient number, since it is larger than the sum of its proper divisors (43818314).

87243682 is a wasteful number, since it uses less digits than its factorization.

87243682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65492.

The product of its digits is 129024, while the sum is 40.

The square root of 87243682 is about 9340.4326452258. The cubic root of 87243682 is about 443.5180801736.

The spelling of 87243682 in words is "eighty-seven million, two hundred forty-three thousand, six hundred eighty-two".