87234641 has 8 divisors (see below), whose sum is σ = 96484584. Its totient is φ = 78347520.

The previous prime is 87234619. The next prime is 87234671. The reversal of 87234641 is 14643278.

It can be written as a sum of positive squares in 4 ways, for example, as 819025 + 86415616 = 905^2 + 9296^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87234641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87234601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90200 + ... + 91161.

It is an arithmetic number, because the mean of its divisors is an integer number (12060573).

Almost surely, 2^87234641 is an apocalyptic number.

It is an amenable number.

87234641 is a deficient number, since it is larger than the sum of its proper divisors (9249943).

87234641 is a wasteful number, since it uses less digits than its factorization.

87234641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181411.

The product of its digits is 32256, while the sum is 35.

The square root of 87234641 is about 9339.9486615291. The cubic root of 87234641 is about 443.5027591578.

The spelling of 87234641 in words is "eighty-seven million, two hundred thirty-four thousand, six hundred forty-one".