87441587 has 2 divisors, whose sum is σ = 87441588. Its totient is φ = 87441586.

The previous prime is 87441569. The next prime is 87441593. The reversal of 87441587 is 78514478.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87441587 is a prime.

It is a super-2 number, since 2×87441587² = 15292062274157138, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87441527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43720793 + 43720794.

It is an arithmetic number, because the mean of its divisors is an integer number (43720794).

Almost surely, 2^87441587 is an apocalyptic number.

87441587 is a deficient number, since it is larger than the sum of its proper divisors (1).

87441587 is an equidigital number, since it uses as much as digits as its factorization.

87441587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 250880, while the sum is 44.

The square root of 87441587 is about 9351.0206394810. The cubic root of 87441587 is about 443.8531881436.

The spelling of 87441587 in words is "eighty-seven million, four hundred forty-one thousand, five hundred eighty-seven".